Definitive A-Z packs never seen before photos, concept drawings and special effects artwork covers Doctor Who Nine Christopher Eccelston and Ten David Tennant, about the Doctor, the Tardis, his friends, enemies and the worlds he travels.

River Song still a riddle? Stumped by the stolen planets in the Medusa Cascade? Forgotten what happened in the Timelines That Never Happened? Look no further… Completely revised and updated, this is the ultimate guide to everything and everyone that’s ever happened, un-happened and happened again in the worlds and times of the Doctor. The Doctor Who Encyclopedia now covers the Eleventh Doctor's first two seasons, plus every Ninth and Tenth Doctor story, and is packed with photographs and artwork from seven stunning years of adventures - including the charity specials, animated adventures, computer games, TARDISodes and preludes. This is your complete tour of time and space – from ABBA and Inspector Abberline to Melody Zucker and the Zygons. The original edition of this book covered three seasons of the Doctor Who. The fully revised and updated Doctor Who Encyclopedia, covering every episode from 2005 revival of the show through the last episode of series six in 2011.