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The book is free in two formats. The same content the website serves, ready for the screen on the plane or the printer in the garage.

Second Edition, Revised · v2.1 · 2026. The text of this edition was revised to restore the author's voice; no content changed.

PDF

mission-built-second-edition-revised.pdf

The full book as a 172-page PDF. 6 by 9 trade paperback, designed to match the website's chalk-on-charcoal language. Read on screen or print at home.

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Markdown

mission-built-second-edition-revised.md

The manuscript as one markdown file. For developers, contributors, and anyone who wants to fork the source. Same content as the site, ready for any tool that reads .md.

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Both formats are licensed under CC BY-NC-SA 4.0. Share, remix, attribute. Commercial use prohibited.