— Based on Terry Pratchett's best-selling Discworld fantasy series. — Co-written by Terry Pratchett himself. — Cover and interior art by recognized Discworld artist Paul Kidby. — Includes the GURPS Lite rules...so it can be played by itself. No other books required!The World is Flat. It rests on the back of four giant elephants, who in turn stand on the back of Great A'Tuin, the only turtle to form the basis of an entire branch of astrophysics. For the last few years, events on the Discworld have been chronicled in the works of Terry Pratchett. Now, thanks to a special deal, it's time for roleplayers to make their way to the far end of the probability curve. This book is intended for use with the GURPS Basic Set (Third Edition), but can be played by itself, or used as a sourcebook for any roleplaying game.