Batman Role-Playing Game (1989)

From the back cover:

The Batman Role-Playing Game gives your imagination the tools to bring your favorite crime fighters to life. Whether you play the Batman, Robin, Batgirl, Commissioner Gordon, or a character that you create yourself, you're ready to contend with the sinister Joker and his minions.

Based on the award-winning DC Heroes Role-Playing game, this easy-to-learn game will delight you and your friends with everything you need to start playing. Then you're prepared to create even more exciting adventures to enjoy for hours on end.

As part of Mayfair's license to use DC Comics characters, Mayfair produced the Batman Role-Playing Game, based upon the rules for their DC Heroes game. The 192 page softback book is smaller than a normal A4/letter size, and whilst there is a lot of content - it contains all you need for an RPG; character creation, combat, gadgets, NPCs, settings and so on.