GURPS Powers

The Book of Random Tables: Dungeons: Generate Dungeons for Fantasy Tabletop RPGs

The Book of Random Tables: Quests 2: 1000 Adventure Ideas for Fantasy Tabletop Role-Playing Games

The Ultimate RPG Series Presents: Oh Captain, My Captain!: A Quick-Play Fantasy RPG (Ultimate Role Playing Game Series)

The Book of Random Tables: Quests 3: 1000 Adventure Ideas for Fantasy Tabletop Role-Playing Games

The Ultimate RPG Gameplay Guide: Role-Play the Best Campaign Ever―No Matter the Game! (Ultimate Role Playing Game Series)

GURPS Basic Set, Third Edition, Revised (GURPS Third Edition Roleplaying Game, from Steve Jackson Games)

The Book of Random Tables: Fantasy Role-Playing Game Aids for Game Masters

GURPS High-Tech

Gurps Discworld