A review by arthurbdd
The Complete Book of Villains by Rick Swan

5.0

A book-length study of NPC design - focused, as the title implies, on adversaries, but some concepts can be applied to other major campaign NPCs as well. Might constitute the best no-system-all-advice book TSR ever produced. Full review: https://refereeingandreflection.wordpress.com/2016/02/14/ravenloft-and-the-dark-secret-of-context/