Linux Security Cookbook: Security Tools & Techniques
Daniel J. Barrett & Richard E. Silverman & Robert G. Byrnes
Java to Kotlin
Duncan McGregor & Nat Pryce
Learning Test-Driven Development
Saleem Siddiqui
Database Internals
Alex Petrov
Nuxt.js Succinctly
Ed Freitas
Docker for Developers
www.dbooks.org