Do you know your Sontarans from your Silurians? What are the 40 best ways to defeat a Dalek? What are the galactic coordinates of Gallifrey?

Test your knowledge of the last Time Lord and the worlds he's visited in Who-ology, an unforgettable journey through 50 years of Doctor Who.

Packed with facts, figures and stories from the show's entire run, this unique tour of space and time takes you from Totters Lane to Trenzalore, taking in guides to UNIT call signs, details of the inner workings of sonic screwdrivers, and a reliability chart covering every element of the TARDIS.

With tables, charts and illustrations dotted throughout, as well as fascinating lists and exhaustive detail, you won't believe the wonders that await. Are you ready? Then read on, you clever boy. And remember.