GURPS Basic Set: Characters, Fourth Edition

The Book of Random Tables: Fantasy Shops: Generate Shops for Fantasy Role-Playing Games (The Books of Random Tables)

The Ultimate RPG Guide Boxed Set: Featuring The Ultimate RPG Character Backstory Guide, The Ultimate RPG Gameplay Guide, and The Ultimate RPG Game ... Guide (Ultimate Role Playing Game Series)

The Ultimate RPG Game Master's Guide: Advice and Tools to Help You Run Your Best Game Ever! (Ultimate Role Playing Game Series)

The Ultimate RPG Game Master's Worldbuilding Guide: Prompts and Activities to Create and Customize Your Own Game World (Ultimate Role Playing Game Series)

GURPS Powers

GURPS Magic

Everything I Need to Know I Learned from RPGs: A player's handbook for the game of life (The Game Master Series)

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

The Düngeonmeister RPG Sticker Book: 500+ Stickers to Level Up Your Campaign (Düngeonmeister Series)