D&D MORDENKAINEN'S TOME OF FOES
Wizards of the Coast
AD&D 5th Edition - Xanathar's Enemies and Allies
Dungeon Master's Guild Adepts
Classic Shell Scripting
Arnold Robbins & Nelson H. F. Beebe
FIST Ultra Edition (Retail Version)
Claymore
Cybersecurity Ops with bash
Paul Troncone & Carl Albing Ph.D.