Efficient Linux at the Command Line
Daniel J. Barrett
The Art of Writing Efficient Programs
Fedor G. Pikus
Linux Pocket Guide
Becoming the Hacker
Adrian Pruteanu
Advanced API Security
Prabath Siriwardena
Continuous API Management
Mehdi Medjaoui & Erik Wilde & Ronnie Mitra & and Mike Amundsen
Mastering API Architecture
James Gough & Daniel Bryant & and Matthew Auburn
Writing API Tests with Karate
Benjamin Bischoff
Restful Web API Patterns and Practices Cookbook
Mike Amundsen