You don't travel across time and space for thousands of years saving the universe without solving a few problems...

For the first time you can test yourself against the Doctor with this collection of of inter-planetary posers, mindbenders and mysteries featuring all the incarnations of the legendary time-traveller.

Will you be able to solve:

Logic problems
Word games
Lateral-thinking riddles
Pencil-and-paper games

This official puzzle book is your chance to learn how to think like a Gallifreyan and see if you're clever enough to save the universe using only your mind!