The Doctor Who RPG 3rd Doctor Hardcover Guide will give you all of the info you need on the 3rd Doctor for all of your Doctor Who RPG needs.
This epic resource guide for the Doctor Who: Adventures in Time and Space roleplaying game is a great addition to your game. You can play as the Doctor, create your own unique Timelord, or even play as a real companion or one that you create yourself. You can even play as UNIT.
It is $34.99 from ThinkGeek.com and $25.80 at Amazon.com.