§ 01Built in the open

Updates

The free chapters are open, paid chapters arrive as they are published, and buyers get everything as it ships. This page is the record.

July 2026

01platform
Every chapter now ends with three related chapters to read next.
01platform
This page went live, recording changes as the book is built in the open.
01correction
Fixed a typesetting bug that garbled a paragraph in the LiDAR chapter.
01platform
Upgrading between tiers now charges only the difference.

29platform
The reader gained in-page search and a contents panel on mobile.
29chapter
Paid chapter previews now include a worked example, not just the opening.
29platform
Every chapter now carries its own preview card when shared.
12milestone
All 19 chapters are now readable online.
12correction
Restored author-year citations and fixed unit typesetting in the free chapters.
09chapter
Chapter 4, Data Formats and Spatial Indexing, is the first paid chapter online.
09platform
Every paid chapter now opens with a free preview of its first section.
09platform
The top tier became Practitioner: the bundle plus a practice kit and a 1:1 session.
06platform
Added a site-wide search palette, opened with Ctrl-K or Cmd-K.