GURPS Mysteries by Lisa J. Steele is a comprehensive guide designed for players and game masters who want to incorporate mystery and detective elements into their role-playing games. Published by Steve Jackson Games in 2017, this first edition, fourth printing book offers a rich framework for crafting intriguing adventures involving crime scenes, suspects, and investigative methods. With detailed explanations of forensic techniques, criminal motives, and timeline construction, it elevates the storytelling experience in any GURPS campaign.

This edition features cover art and illustrations by Bob Stevlic and is edited by Alain Dawson and Scott Haring. It covers a wide range of mystery themes including hard-boiled detectives, police investigations, and supernatural elements like magic and horror. Whether you want to run solo adventures or integrate mysteries into a larger campaign, GURPS Mysteries provides sample detective and investigative agents, expanded rules, and a template-based character generation system, making it an essential addition to any RPG enthusiast's collection.