AI Book Outline Generator
Generate professional book outlines with AI. Create chapter-by-chapter outlines for novels, memoirs, and non-fiction. Free templates for all genres and story structures.
Generate Your Outline
Fill in the details to create a professional book outline
More details = better outline. Include plot, themes, and character arcs.
Add specific themes or keywords to incorporate in your outline
Your Outline
Generated outline will appear here
Your generated book outline will appear here
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How It Works
Generate a professional book outline in three simple steps
Describe Your Book
Tell us about your book's plot, themes, characters, and what makes it unique. The more detail, the better.
Choose Structure Type
Select an outline structure that fits your genre and style - from Three-Act to Hero's Journey.
Generate Outline
Our AI creates a detailed outline based on your description and chosen structure.
Copy & Customize
Copy your outline and customize it to perfectly fit your vision.
Outline Structure Templates
Choose from proven story structures used by bestselling authors. Click any template to customize it for your book.
Three-Act Structure
Classic three-act structure for novels - setup, confrontation, resolution
Three-act structure for non-fiction and self-help books
Classic three-act structure for novels - setup, confrontation, resolution
Three-act structure for non-fiction and self-help books
Hero's Journey
Joseph Campbell's Hero's Journey - perfect for fantasy and adventure
Hero's Journey adapted for thrillers and mystery novels
Joseph Campbell's Hero's Journey - perfect for fantasy and adventure
Hero's Journey adapted for thrillers and mystery novels
Save the Cat
Blake Snyder's Save the Cat structure - perfect for commercial fiction
Save the Cat adapted for chapter-by-chapter planning
Blake Snyder's Save the Cat structure - perfect for commercial fiction
Save the Cat adapted for chapter-by-chapter planning
See It In Action
Real examples of book descriptions and their generated outlines. Click to use any example as your starting point.
Book Description:
A psychological thriller about a therapist who realizes one of her patients is a serial killer who's been manipulating their sessions to get away with murder. She has to figure out which patient it is before she becomes the next victim. The story explores themes of trust, manipulation, and the dark side of therapy.
Generated Outline:
Three-Act Structure: Act 1 - Therapist's normal practice, strange patterns emerge (Ch 1-7) / Act 2 - Investigates patients secretly, discovers evidence, killer realizes she knows (Ch 8-18) / Act 3 - Cat-and-mouse game, confrontation, uses therapy knowledge to survive (Ch 19-25)
Book Description:
A fantasy novel where a young librarian discovers she can enter the worlds of the books she reads. She must journey through dangerous fictional realms to stop an ancient evil that's escaping from classic literature into the real world. Each book-world has different rules and challenges.
Generated Outline:
Hero's Journey: Ordinary World - Working in library / Call - First enters a book world / Mentor - Mysterious book guardian / Tests - Navigate different fictional worlds / Ordeal - Face the ancient evil in its own story / Return - Save both fictional and real worlds with power of stories
Book Description:
A self-help book teaching people how to overcome procrastination and finally accomplish their goals. Based on neuroscience research and practical strategies. Includes case studies of people who transformed from chronic procrastinators to productive achievers.
Generated Outline:
Problem-Solution Structure: Introduction - The procrastination epidemic / Part 1 - Why we procrastinate (brain science) / Part 2 - The 5-step anti-procrastination system / Part 3 - Case studies and applications / Part 4 - Maintaining momentum / Conclusion - Your action plan
Book Description:
A romance novel about two rival food truck owners who compete for the same territories and customers, constantly bickering. When they're both selected for a food truck competition show, they must work together. They slowly fall in love while trying to hide it from cameras.
Generated Outline:
Romance Beats: Meet-Cute - Antagonistic rivals fighting over spot / Connection - Forced to partner on show / Falling - Share food and secrets late at night / Break - Betrayal on camera for ratings / HEA - Real feelings revealed, choose love over competition
Book Description:
A memoir about growing up as the child of immigrants, feeling caught between two cultures. The story follows my journey from childhood confusion through teenage rebellion to adult acceptance. Explores identity, belonging, and what home really means.
Generated Outline:
Thematic Memoir: Opening - Moment of cultural clash / Before - Happy immigrant childhood / Crisis - Teenage identity crisis, rejecting heritage / Transformation - College, rediscovering roots / After - Embracing dual identity / Reflection - Home is both cultures
Book Description:
A psychological thriller about a therapist who realizes one of her patients is a serial killer who's been manipulating their sessions to get away with murder. She has to figure out which patient it is before she becomes the next victim. The story explores themes of trust, manipulation, and the dark side of therapy.
Generated Outline:
Three-Act Structure: Act 1 - Therapist's normal practice, strange patterns emerge (Ch 1-7) / Act 2 - Investigates patients secretly, discovers evidence, killer realizes she knows (Ch 8-18) / Act 3 - Cat-and-mouse game, confrontation, uses therapy knowledge to survive (Ch 19-25)
Book Description:
A fantasy novel where a young librarian discovers she can enter the worlds of the books she reads. She must journey through dangerous fictional realms to stop an ancient evil that's escaping from classic literature into the real world. Each book-world has different rules and challenges.
Generated Outline:
Hero's Journey: Ordinary World - Working in library / Call - First enters a book world / Mentor - Mysterious book guardian / Tests - Navigate different fictional worlds / Ordeal - Face the ancient evil in its own story / Return - Save both fictional and real worlds with power of stories
Book Description:
A self-help book teaching people how to overcome procrastination and finally accomplish their goals. Based on neuroscience research and practical strategies. Includes case studies of people who transformed from chronic procrastinators to productive achievers.
Generated Outline:
Problem-Solution Structure: Introduction - The procrastination epidemic / Part 1 - Why we procrastinate (brain science) / Part 2 - The 5-step anti-procrastination system / Part 3 - Case studies and applications / Part 4 - Maintaining momentum / Conclusion - Your action plan
Book Description:
A romance novel about two rival food truck owners who compete for the same territories and customers, constantly bickering. When they're both selected for a food truck competition show, they must work together. They slowly fall in love while trying to hide it from cameras.
Generated Outline:
Romance Beats: Meet-Cute - Antagonistic rivals fighting over spot / Connection - Forced to partner on show / Falling - Share food and secrets late at night / Break - Betrayal on camera for ratings / HEA - Real feelings revealed, choose love over competition
Book Description:
A memoir about growing up as the child of immigrants, feeling caught between two cultures. The story follows my journey from childhood confusion through teenage rebellion to adult acceptance. Explores identity, belonging, and what home really means.
Generated Outline:
Thematic Memoir: Opening - Moment of cultural clash / Before - Happy immigrant childhood / Crisis - Teenage identity crisis, rejecting heritage / Transformation - College, rediscovering roots / After - Embracing dual identity / Reflection - Home is both cultures
Book Description:
A middle-grade adventure where four kids find a magical compass in their grandmother's attic that points to lost things. When their town's historical museum is robbed, they use the compass to track down the stolen artifacts, uncovering a mystery about their town's founding.
Generated Outline:
20-Chapter MG: Setup (1-5) - Find compass, learn how it works / Adventure (6-10) - Follow clues, make discoveries / Midpoint (11-15) - Uncover conspiracy, danger increases / Crisis (16-18) - Captured, compass stolen / Triumph (19-20) - Escape, recover artifacts, save town history
Book Description:
A sci-fi novel set in 2157 where people can upload their consciousness to the cloud, essentially living forever digitally. A detective investigates murders in the digital world - how do you kill someone who's already died? Themes of identity, mortality, and what makes us human.
Generated Outline:
Seven-Point Structure: Hook - Detective is old-school, skeptical of uploading / Turn 1 - First digital murder / Pinch 1 - More deaths, pattern emerges / Midpoint - Goes digital to investigate / Pinch 2 - Virus threatens all uploaded minds / Turn 2 - Discovers killer is AI / Resolution - Question what consciousness really is
Book Description:
A business book about transforming company culture in the remote work era. Covers building connection, maintaining productivity, preventing burnout, and creating a thriving distributed team. Includes frameworks from successful fully-remote companies.
Generated Outline:
Business Framework: Problem - Remote culture crisis / Diagnosis - Why traditional office culture doesn't translate / The 4 Pillars - Connection, Autonomy, Purpose, Wellness / Implementation - 30/60/90 day plan with tools / Advanced - Scaling globally / Action - Building your remote culture
Book Description:
A historical fiction novel set during the 1920s about a young woman who disguises herself as a man to attend medical school. She becomes entangled in a mystery involving a series of suspicious deaths at the hospital where she interns, while trying to keep her identity secret.
Generated Outline:
Dual Conflict Structure: External Plot - Investigate hospital deaths, uncover corruption (20 chapters) / Internal Plot - Hide identity, question if worth it, choose to reveal self / Intertwined - Her perspective as woman helps solve case / Climax - Identity revealed during confrontation / Resolution - First woman graduate, changed medicine
Book Description:
A picture book about a small cloud who can't make rain like the big clouds. Feeling useless, the little cloud discovers she can make rainbows instead. Story about finding your own special talent and not comparing yourself to others.
Generated Outline:
32-Page Structure: Opening (1-4) - Little cloud, can't make rain / Problem (5-8) - Tries to be like big clouds / Attempts (9-20) - Fails at making rain, tries different ways, gets smaller / Climax (21-28) - Sun comes out, little cloud makes rainbow / Resolution (29-32) - Everyone loves rainbows, finds purpose
Book Description:
A middle-grade adventure where four kids find a magical compass in their grandmother's attic that points to lost things. When their town's historical museum is robbed, they use the compass to track down the stolen artifacts, uncovering a mystery about their town's founding.
Generated Outline:
20-Chapter MG: Setup (1-5) - Find compass, learn how it works / Adventure (6-10) - Follow clues, make discoveries / Midpoint (11-15) - Uncover conspiracy, danger increases / Crisis (16-18) - Captured, compass stolen / Triumph (19-20) - Escape, recover artifacts, save town history
Book Description:
A sci-fi novel set in 2157 where people can upload their consciousness to the cloud, essentially living forever digitally. A detective investigates murders in the digital world - how do you kill someone who's already died? Themes of identity, mortality, and what makes us human.
Generated Outline:
Seven-Point Structure: Hook - Detective is old-school, skeptical of uploading / Turn 1 - First digital murder / Pinch 1 - More deaths, pattern emerges / Midpoint - Goes digital to investigate / Pinch 2 - Virus threatens all uploaded minds / Turn 2 - Discovers killer is AI / Resolution - Question what consciousness really is
Book Description:
A business book about transforming company culture in the remote work era. Covers building connection, maintaining productivity, preventing burnout, and creating a thriving distributed team. Includes frameworks from successful fully-remote companies.
Generated Outline:
Business Framework: Problem - Remote culture crisis / Diagnosis - Why traditional office culture doesn't translate / The 4 Pillars - Connection, Autonomy, Purpose, Wellness / Implementation - 30/60/90 day plan with tools / Advanced - Scaling globally / Action - Building your remote culture
Book Description:
A historical fiction novel set during the 1920s about a young woman who disguises herself as a man to attend medical school. She becomes entangled in a mystery involving a series of suspicious deaths at the hospital where she interns, while trying to keep her identity secret.
Generated Outline:
Dual Conflict Structure: External Plot - Investigate hospital deaths, uncover corruption (20 chapters) / Internal Plot - Hide identity, question if worth it, choose to reveal self / Intertwined - Her perspective as woman helps solve case / Climax - Identity revealed during confrontation / Resolution - First woman graduate, changed medicine
Book Description:
A picture book about a small cloud who can't make rain like the big clouds. Feeling useless, the little cloud discovers she can make rainbows instead. Story about finding your own special talent and not comparing yourself to others.
Generated Outline:
32-Page Structure: Opening (1-4) - Little cloud, can't make rain / Problem (5-8) - Tries to be like big clouds / Attempts (9-20) - Fails at making rain, tries different ways, gets smaller / Climax (21-28) - Sun comes out, little cloud makes rainbow / Resolution (29-32) - Everyone loves rainbows, finds purpose
Master This Tool
Expert strategies to get the most out of your results
Start with the Ending
The most effective outlines are written backward. When you know exactly how your story concludes, every chapter becomes a stepping stone toward that destination. Plant foreshadowing, setup payoffs, and build tension with purpose.
Endings anchor everything. A thriller needs clues seeded early, a romance needs emotional groundwork, and a mystery needs red herrings placed strategically. Knowing the finish line lets you reverse-engineer each act.
Pro Tip: Write your final scene in one paragraph first, then ask "what must happen for this ending to feel earned?" and build backward from there.
Outline Flexibility
Your outline is a compass, not a cage. Many bestselling authors report that their best plot twists emerged organically during the drafting process. Allow room for discovery writing within your structural framework.
Mark sections of your outline as "firm" (must happen for the story to work) and "flexible" (can shift if something better emerges). This hybrid approach gives you structure without stifling creativity.
Pro Tip: Keep a running "ideas" document alongside your outline. When inspiration strikes mid-draft, jot it down and evaluate later instead of derailing your session.
Character Arcs Matter
Plot points alone don't make compelling stories; emotional transformation does. For every major event in your outline, note how your protagonist feels and how this moment changes them internally.
Track the emotional journey alongside the physical one. A character who starts fearful should show growing courage at each turning point. Readers connect with internal change more than external action.
Pro Tip: Create a simple character arc timeline: "Believes X in Chapter 1 → Doubts X by midpoint → Embraces Y by the end" to keep emotional growth on track.
Scene-Level Detail
For each chapter in your outline, capture three things: the goal (what the character wants), the conflict (what stands in the way), and the outcome (how it resolves or escalates). This prevents writer's block entirely.
Scene-level outlining transforms vague chapter summaries into actionable writing prompts. When you sit down to draft, you know exactly what needs to happen, which keeps momentum high and revision time low.
Pro Tip: Use a simple template for each chapter: "POV character wants [goal], but [obstacle], so [outcome that raises stakes]."
Test Your Structure
Before committing to 80,000 words, share your outline with beta readers or a writing partner. Fresh eyes catch plot holes, pacing problems, and motivational gaps that you're too close to see.
A quick outline review can save months of revision. Ask readers: "Does the midpoint feel earned? Is the ending satisfying? Are there any characters whose arcs feel incomplete?" Their feedback is invaluable.
Pro Tip: Join a writing community or critique group and offer to swap outlines. Reviewing someone else's structure sharpens your own outlining instincts.
Subplots Add Depth
Plan two to three subplots that weave through your main narrative. The best subplots mirror or contrast the central theme, deepening your book's message while giving secondary characters meaningful screen time.
Map where each subplot intersects with the main plot. Subplots should intensify the protagonist's choices, not distract from them. Converge all threads by the climax so the ending feels cohesive and complete.
Pro Tip: Color-code your subplots in the outline (e.g., romance in red, B-villain in blue) so you can visually check that each thread gets regular attention throughout.
Why Use Our Book Outline Generator?
See how we compare to outlining your book manually
| Feature | Outline Generator | Manual Outlining | Other Tools |
|---|---|---|---|
| AI-Powered Outline Generation | Complete chapter outline in seconds | Days or weeks of planning | |
| Multiple Structure Templates | 8 structures: Three-Act, Hero's Journey & more | Research structures yourself | |
| Genre-Specific Adaptation | 14 genres with tailored story beats | One-size-fits-all approach | |
| Customizable Chapter Count | 10-30 chapters with adjustable slider | Manual chapter planning | |
| Professional Story Beats | Industry-standard turning points built in | Miss key beats without training | |
| 100% Free | Writing courses cost $200+ | ||
| No Sign-up Required | N/A |
Frequently Asked Questions
Everything you need to know
How detailed should my book outline be?
It depends on your writing style. Plotters may want scene-level detail for every chapter, while pantsers might just need major plot points and character arcs. Start with chapter summaries and add detail where you need structure.
Can I change my outline while writing?
Absolutely! Your outline is a roadmap, not a contract. Many authors discover better plot twists or character developments while writing. Adjust your outline as your story evolves.
Which outline structure is best for my genre?
Three-Act Structure works for most genres. Try Hero's Journey for fantasy/adventure, Save the Cat for commercial fiction, Romance Beats for love stories, and Problem-Solution for non-fiction.
How many chapters should my book have?
Novels typically have 15-30 chapters. Thrillers often have shorter, punchier chapters (30+), while literary fiction may have longer chapters (10-15). Let your story dictate the structure.
Should I outline all subplots too?
Yes! Track 2-3 major subplots through your outline. Note where they intersect with the main plot and how they resolve. Subplots add depth and support your theme.
What if I get stuck while outlining?
Skip ahead and outline what you do know. Often working on later scenes helps you figure out how to get there. You can also try outlining from the ending backwards.
Do I need to outline every single scene?
Not necessarily. Outline major scenes and chapter goals. You can leave room for discovery writing within those parameters. Too much detail can feel restrictive for some writers.
How do I know if my outline has good pacing?
Check that your midpoint occurs around 50% and major turning points are evenly spaced. Ensure you have rising tension, a dark moment around 75%, and don't rush the ending.
Should non-fiction books be outlined differently?
Yes. Non-fiction outlines focus on clear structure, logical flow of information, and supporting evidence. Each chapter should have a clear purpose and build on previous chapters.
Can I use multiple structure templates together?
Definitely! Many authors combine structures - like using Three-Act for overall plot and Romance Beats for the love story subplot. Mix templates to fit your unique story.