Volo's Guide to Monsters
Wizards of the Coast
Dungeons & Dragons, 5th Edition (1)
The Roads Must Roll
Robert A. Heinlein
Future History or "Heinlein Timeline" (3)
GameDev Stories: Volume 6 – How Games Are Made
David L. Craddock
GameDev Stories (5)
Somebody Set Up Us the ROM, Part Two
John Harris
Sword Coast Adventurer's Guide
Steve Kenson
Storm King's Thunder
Christopher Perkins