Resources
Free companion materials for the book. Everything here stays free and public - the repository you clone and run, the route through it, and the reference pages from the back matter.
The Companion Repository
The reference implementation, every printed command as a file, and the subject map that ties the book to the code. This edition pins release v1.0.0.
Chapter by Chapter
Where each chapter starts in the repository and the one command that confirms you finished it, plus the three things the labs need from you.
Corrections and Questions
How errata are published, how the repository is versioned against this edition, and where to report a problem.
Downloads
2 reference pages from the book's back matter, the Appendix G adoption map and the chapter-by-chapter companion guide - free PDFs.