Scum and Villainy
Robert J. Schwalb
The Ultimate RPG Character Backstory Guide: Expanded Genres ...
James D'Amato
Starter Villain
John Scalzi
Hunter, the Reckoning: Core Rulebook
Justin Achilli & Karim Muammar & Pam Punzalan & Daniel Braga & Johnathan Byerly & Edward Austin Hall & Mario Ortegón & Erin Roberts
Kobolds ate my Baby!
Dan Landis & Chris O'Neill
Dragons: The Myths, Legends, and Lore
Doug Niles
Fairies: The Myths, Legends, & Lore
Skye Alexander
Fifth Edition Foes
Scott Greene & Matt Finch & Casey Christofferson & Erica Balsley & Bill Webb & Clark Peterson & Skeeter Green & Patrick Lawinger & Lance Hawvermale & Scott Wylie Roberts & Mark R. Shipley & Chgowiz
Mermaids: The Myths, Legends, and Lore
Tome of Essential Horrors OSE
Jeff Harkness
Treacherous Traps
Unknown
Unicorns: The Myths, Legends, & Lore
Vampires: The Myths, Legends, and Lore
Aubrey Sherman
Wizards: The Myths, Legends, and Lore