Who are the members of the Doctor's family? What are the 20 best ways to defeat a Dalek? What are the galactic coordinates of Gallifrey? Packed with amazing facts, figures and stories, Who-ology is an unforgettable journey through fifty-five years of Doctor Who. Test your knowledge of the last Time Lord and the worlds he's visited, from Totters Lane to Trenzalore. Get lost in guides to UNIT call signs, the inner workings of sonic screwdrivers and a complete list of Doctor Who monsters and their creators. Who-ology is an utterly unique tour of space and time. This revised and expanded edition will feature eighty pages of new material and cover Matt Smith's final season, all three seasons of the Peter Capaldi era as well as the 2017 Christmas special introducing the first female Doctor played by Jodie Whittaker.