Doctor Who In his travels across time and space, the Doctor has met hundreds of monsters - now, he"s created this handy spotter"s guide to the biggest, smallest, tallest, hungriest, smelliest, and most dangerous creatures in the Whoniverse! In this fantastic companion guide to How To Be A Time Lord, the Twelfth Doctor reveals, in tips and doodles, everything you need to know about each dangerous monster, advice for battling them, and how and when to make a speedy escape.