Start with high-confidence open source development books, then narrow by subgenre or adjacent topics.
Linux for Developers
William Rothwell
Design and Implementation of the FreeBSD Operating System, the
Marshall Kirk McKusick, George V. Neville-Neil
Professional Linux Kernel Architecture
Wolfgang Mauerer
Assembly Language Step-by-step
Jeff Duntemann
Mercurial: the Definitive Guide
Bryan O'Sullivan, Bryan O'Sullivan
Linux Kernel Development
Robert Love
Learning Modern Linux
Michael Hausenblas
Drupal Development Tricks for Designers
Dani Nordin
Introducing Github
Peter Bell, Brent Beer
Autotools, 2nd Edition
John Calcote
The Rust Programming Language, 2nd Edition
Steve Klabnik, Carol Nichols
