Halting State
Charles Stross
Darkover 22 - The Shadow Matrix
Marion Zimmer Bradley
Darkover (22)
W40k 5e - Codex
Imperial Guard
Pathfinder Chronicles - Gazetteer
Paizo Publishing
Libris Mortis: The Book of Undead
Andy Collins
Enemies and Allies
Bruce R. Cordell & Jeff Grubb & David Noonan & and Skip Williams
Manual of the Planes
Jeff Grubb
Bastion of Broken Souls
Bruce R. Cordell
Planar Handbook
Bruce R. Cordell & Gwendolyn F.M. Kestrel
Tome and Blood: A Guidebook to Wizards and Sorcerers
Bruce R. Cordell and Skip Williams