UMO: A Chilling Tale of First Contact
K. Patrick Donoghue
Practical LPIC-1 Linux Certification Study Guide
David Clinton
When The Dead Came 2
Torralba, Ariana
Introducing Elixir: Getting Started in Functional Programming
Simon St. Laurent & J. David Eisenberg
Secure Coding in C and C++
Robert C. Seacord Seacord
The Linux Command Line: A Complete Introduction
William E. Shotts, Jr.
Absolute OpenBSD, 2nd Edition: UNIX for the Practical Paranoid
Michael W. Lucas
Pro Git
Scott Chacon & Ben Straub
The GNU Make Book
John Graham-Cumming
Absolute FreeBSD, 3rd Edition: The Complete Guide to FreeBSD