The Linux Command Line
William E. Shotts, Jr.
Impractical Python Projects
Lee Vaughan
CompTIA Linux+ Guide to Linux Certification
Jason Eckert
Threat Modeling
Adam Shostack
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain