Unusual Suspects: A Gallery of NPCs Both Fair and Foul (2013)

From publisher blurb:

Unusual Suspects is a compilation of 60 unique and original Non-Player Characters ready to go for your game. Each NPC entry includes a complete stat block, full history, detailed tactics, and guidelines on how to use the character in your game. With these NPCs you can drop them directly into your game for a quick random encounter, or you can use their background information and the guidance provided with each one to build them into to your campaign as ongoing adversaries or allies, or maybe both.

Included among the NPCs found in this book are beggars and bandits, street guides and wilderness guardians, a crooked watchman, a dauntless sherpa, a crazed poisoner, a bastard heir, a mutant assassin, an exiled prince, and even one of Hell’s auditors, plus much, much more. The NPCs run the gamut of Challenger Rating 1–20, with three NPCs of each CR level, so they can be used in your game regardless of where your Player Characters are in their careers. Unusual Suspects is designed for use with the Pathfinder Roleplaying Game, but the NPC backgrounds and guidelines for use can be used with any fantasy roleplaying game system.