Steve Tribe is the author of the Doctor Who books The Time Traveller’s Almanac, Companions and Allies and The TARDIS Handbook, and of the audiobook Doctor Who: The Essential Companion. He has edited over a hundred Doctor Who, Torchwood, Being Human and Sherlock books, and co-wrote The Dalek Handbook and Doctor Who: A History of the Universe in 100 Objects with James Goss.