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Paul Troncone & Carl Albing Ph.D.
Serious Cryptography
Jean-Philipee Aumasson
Rootkits and Bootkits
Alex Matrosov, Eugene Radionov, Sergey Bratus
grep Pocket Reference
John Bambenek & Agnieszka Klus
AD&D 5th Edition - Wayfinder's Guide to Eberron (v3)
Wizards of the Coast