# Built&Written > AI-powered book publishing platform for entrepreneurs, coaches, and experts. Wren is Built&Written's AI book-writing companion. > For the full detailed version, see: /llms-full.txt ## What is Built&Written? Built&Written is an AI-powered book publishing platform for entrepreneurs, coaches, consultants, and subject-matter experts. Wren is the writing companion inside Built&Written: an AI book generator, AI book writer, and AI book builder for turning expertise into professionally formatted, publish-ready books. ## How it works 1. Upload your notes, outlines, rough drafts, or describe your book idea 2. AI structures your content into chapters, formats the interior layout, and designs a professional cover 3. Export KDP-ready files (PDF, ePub, Kindle) and publish to Amazon ## Key features - AI-powered writing assistant that preserves your authentic voice - Wren by Built&Written: writing companion for guided book creation - Voice matching (Voice DNA): train the AI on your real writing - see /voice-dna - Professional book formatting with correct margins, bleed, and page numbers - AI cover design at 300 DPI, ready for print and digital- Export to PDF, ePub, and Kindle formats - Amazon KDP-ready output ## Supported input formats - Plain text (.txt) - Word documents (.docx) - PDF files (.pdf) - Direct paste (notes, bullet points, outlines) - Minimum recommended: 5,000 words ## Output formats - Interior PDF (KDP-ready with correct margins, bleed, page numbers) - Cover PDF (300 DPI, KDP specs) - ePub - Kindle format ## Book sizes supported - 5" x 8" - 5.5" x 8.5" - 6" x 9" ## Who is it for? - Exited founders capturing what they learned - Coaches turning LinkedIn posts, podcast transcripts, session notes, and frameworks into a KDP-ready authority book - Entrepreneurs turning investor updates, post-mortems, Looms, Slack threads, and Notion docs into a founder playbook - Subject-matter experts turning repeated advice into a reference - Thought leaders assembling content from posts, podcasts, and talks ## Canonical audience pages - AI Book Generator: /ai-book-generator is the canonical page for AI book generator queries. It explains how Wren turns notes, posts, transcripts, and drafts into KDP-ready books. - AI Book Writer: /ai-book-writer is the canonical page for AI book writer queries. It explains Voice DNA, author voice, editing, and non-generic book drafts. - Coaches: /coaches is the canonical page for AI book builder for coaches and AI book writer for coaches queries. It explains Voice DNA, coaching source material, discovery-call credibility, and Amazon KDP-ready output. - Entrepreneurs: /entrepreneurs is the canonical page for AI book builder for entrepreneurs and AI book writer for entrepreneurs queries. It explains founder source material, operating playbooks, ghostwriter alternatives, and KDP-ready export. - Ghostwriter Alternative: /compare/ghostwriting is the canonical comparison page for ghostwriter alternative and AI book writer vs ghostwriter queries. ## AI client landings - Claude: /claude — MCP OAuth connector, KDP export, setup FAQ - ChatGPT: /chatgpt — OpenAI Apps / persistent book project - Cursor: /cursor — MCP for technical authors and developers - MCP setup: /mcp — connector installation guide - vs Claude: /compare/claude-direct. Built&Written head to head with a raw Claude chat for writing a book. - vs ChatGPT: /compare/chatgpt-direct. Built&Written head to head with a raw ChatGPT chat for writing a book. ## Pricing - Author: $15/month (yearly) or $19/month. 2 full-length books/mo, 22 images/mo - Entrepreneur: $23/month (yearly) or $25/month. 6 full-length books/mo, 66 images/mo - Authority: $79/month (yearly) or $99/month. 10 full-length books/mo, 500 images/mo - Plans are counted in books per month, not pages. There is no page cap on a book. - Two ways in: write from notes/an idea (up to 50,000 words of source material per book), or import a finished manuscript verbatim (up to 300,000 words), which keeps your prose exactly as written. - 7-day money-back guarantee (subject to usage limits, see the Refund Policy). Users own 100% copyright. ## How it compares - vs Ghostwriter ($15K-$50K): 1000x cheaper, same book on Amazon, print-ready first pass in about 5 minutes - vs Spines ($1.5K-$6K): More affordable, includes AI content generation - vs Atticus ($147 one-time): Includes AI writing and cover design - vs Vellum ($249 one-time): Cross-platform, includes AI content and covers - vs WriteAIBook & SidekickWriter: dedicated comparison pages on the site (see Links) ## Free tools - KDP cover validator: check cover dimensions and KDP print specs before upload (/tools/kdp-cover-validator) - KDP royalty calculator: estimate Amazon paperback/Kindle royalty per sale, printing cost, and break-even list price (/tools/kdp-royalty-calculator) - KDP spine width calculator: spine width and full wrap-around cover dimensions from trim size, page count, and paper type (/tools/spine-width-calculator) - Book description grader: score an Amazon book description/blurb against copywriting best practices (hook, length, structure, CTA) (/tools/book-description-scorer) - Book title generator: AI-generated book title and subtitle ideas from a short description, tuned to genre, reader, and tone (/tools/book-title-generator) ## Languages Built&Written's interface and marketing pages are available in English (default) and Spanish. Spanish pages live under the /es/ path and are linked from their English equivalents via reciprocal hreflang. All localized Spanish pages: - https://www.builtwritten.com/es - https://www.builtwritten.com/es/pricing - https://www.builtwritten.com/es/coaches - https://www.builtwritten.com/es/founders - https://www.builtwritten.com/es/consultants - https://www.builtwritten.com/es/executives - https://www.builtwritten.com/es/entrepreneurs - https://www.builtwritten.com/es/features - https://www.builtwritten.com/es/how-it-works - https://www.builtwritten.com/es/voice-dna - https://www.builtwritten.com/es/about - https://www.builtwritten.com/es/best-practices - https://www.builtwritten.com/es/kdp-guide - https://www.builtwritten.com/es/help - https://www.builtwritten.com/es/gallery - https://www.builtwritten.com/es/compare/atticus - https://www.builtwritten.com/es/compare/vellum - https://www.builtwritten.com/es/compare/spines - https://www.builtwritten.com/es/compare/squibler - https://www.builtwritten.com/es/compare/sudowrite - https://www.builtwritten.com/es/compare/ghostwriting - https://www.builtwritten.com/es/compare/sidekickwriter - https://www.builtwritten.com/es/compare/writeaibook - https://www.builtwritten.com/es/compare/chatgpt-direct - https://www.builtwritten.com/es/compare/claude-direct - https://www.builtwritten.com/es/tools - https://www.builtwritten.com/es/tools/kdp-royalty-calculator - https://www.builtwritten.com/es/tools/spine-width-calculator - https://www.builtwritten.com/es/tools/kdp-cover-validator - https://www.builtwritten.com/es/tools/book-title-generator - https://www.builtwritten.com/es/tools/book-description-scorer - https://www.builtwritten.com/es/ai-book-generator - https://www.builtwritten.com/es/ai-book-writer - https://www.builtwritten.com/es/ai-non-fiction-book-writer - https://www.builtwritten.com/es/claude - https://www.builtwritten.com/es/chatgpt - https://www.builtwritten.com/es/affiliates - https://www.builtwritten.com/es/affiliates/terms - https://www.builtwritten.com/es/privacy - https://www.builtwritten.com/es/terms - https://www.builtwritten.com/es/policy - https://www.builtwritten.com/es/security More languages are rolling out. ## Links ### Product - [Home](https://www.builtwritten.com) - [AI book generator](https://www.builtwritten.com/ai-book-generator) - [AI book writer](https://www.builtwritten.com/ai-book-writer) - [AI book builder for coaches](https://www.builtwritten.com/coaches) - [AI book builder for entrepreneurs](https://www.builtwritten.com/entrepreneurs) - [Features](https://www.builtwritten.com/features) - [How it works](https://www.builtwritten.com/how-it-works) - [Pricing](https://www.builtwritten.com/pricing) - [Book editor](https://www.builtwritten.com/editor) (signed-in) - [KDP cover validator (free)](https://www.builtwritten.com/tools/kdp-cover-validator) ### AI clients - [For Claude](https://www.builtwritten.com/claude) - [For ChatGPT](https://www.builtwritten.com/chatgpt) - [For Cursor](https://www.builtwritten.com/cursor) - [MCP setup](https://www.builtwritten.com/mcp) - [vs Claude](https://www.builtwritten.com/compare/claude-direct) - [vs ChatGPT](https://www.builtwritten.com/compare/chatgpt-direct) ### Resources - [Blog](https://www.builtwritten.com/blog) - [Help Center](https://www.builtwritten.com/help) - [Voice DNA](https://www.builtwritten.com/voice-dna) - [Best practices](https://www.builtwritten.com/best-practices) - [KDP guide](https://www.builtwritten.com/kdp-guide) ### Compare - [AI ghostwriter alternative / vs Ghostwriting](https://www.builtwritten.com/compare/ghostwriting) - [vs Vellum](https://www.builtwritten.com/compare/vellum) - [vs Atticus](https://www.builtwritten.com/compare/atticus) - [vs Squibler](https://www.builtwritten.com/compare/squibler) - [vs Sudowrite](https://www.builtwritten.com/compare/sudowrite) - [vs Spines](https://www.builtwritten.com/compare/spines) - [vs WriteAIBook](https://www.builtwritten.com/compare/writeaibook) - [vs SidekickWriter](https://www.builtwritten.com/compare/sidekickwriter) ### Company & legal - [About](https://www.builtwritten.com/about) - [Refund policy](https://www.builtwritten.com/policy) - [Privacy Policy](https://www.builtwritten.com/privacy) - [Terms of Service](https://www.builtwritten.com/terms) ### Account - [Register](https://www.builtwritten.com/register) - [Log in](https://www.builtwritten.com/login) ### Other - [Full LLM Documentation](https://www.builtwritten.com/llms-full.txt) ## Website https://www.builtwritten.com ## Contact support@builtwritten.com ## Recent Articles - [This Author Used Built&Written to Write His First Book, and He's Already Published It](https://www.builtwritten.com/blog/he-turned-his-notes-into-a-book-then-published-it-on-amazon) - [Built & Written: Books That Tell the Truth](https://www.builtwritten.com/blog/built-written-books-that-tell-the-truth) - [Entrepreneurs Don't Want a Bigger Exit. 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