Kali Linux - An Ethical Hacker's Cookbook
Himanshu Sharma
Practical Cryptography in Python
Seth James Nielson & Christopher K. Monson
Efficient Linux at the Command Line
Daniel J. Barrett
Becoming the Hacker
Adrian Pruteanu
Graph Databases
Ian Robinson & Jim Webber & Emil Eifrem
Time Series Databases
Ted Dunning & Ellen Friedman