Humble Book Bundle: Linux by Wiley 2019 released
If you're looking for some interesting books about Linux, you might like the Humble Book Bundle: Linux by Wiley 2019:
Pay $1 (about €0.89) or more to unlock!
Ubuntu Linux Toolbox: 1000+ Commands for Power Users
Linux All-In-One For Dummies
Beginning Linux Programming
Pay $8 (about €7.10) or more to also unlock!
Shell Scripting: Expert Recipes for Linux, Bash, and more
Linux Server Security: Hack and Defend
CompTIA Linux+ and LPIC Practice Tests: Exams LX0-103/LPIC-1 101-400, LX0-104/LPIC-1 102-400, LPIC-2 201, and LPIC-2 202
Professional Linux Kernel Architecture
Pay $15 (about €13.30) or more to also unlock!
Linux Command Line and Shell Scripting Bible
CompTIA Linux+ Powered by Linux Professional Institute Study Guide: Exams LX0-103 and LX0-104
LPIC-1: Linux Professional Institute Certification Study Guide: Exams 101 and 102
LPIC-2: Linux Professional Institute Certification Study Guide: Exams 201 and 202
Red Hat Enterprise Linux 6 Administration: Real World Skills for Red Hat Administrators
Assembly Language Step-by-Step: Programming with Linux
Also the Strategy Bundle 2019 might be interesting for Linux gamers...