This is a reprinted edition of the companion to the classic MasterBook universal roleplaying system. Everything you want in your game world... and more! All the "extras" you want and need for your MasterBook roleplaying game universe, including Spells, Equipment, New Skills and Background Options, Vehicle Combat Rules, Tips on World-Creation and Cross-Genre Roleplaying, Index to MasterBook, and MasterBook/OpenD6 Conversion Notes. Whether you're playing in an existing MasterBook world or creating your own, this book is essential to any campaign.