What's new

A living book. Updated as the field moves.

Every chapter, diagram, and bonus we ship is included with your purchase — forever. This page is where we keep the receipts.

The first update lands soon. In the meantime, the launch edition has 31 chapters, 31 diagrams, glossary, case studies, templates, and interview prep.

Lifetime updates are included. Every new chapter, diagram, and bonus we ship lands in your existing edition — no extra payment, ever.