The Fourth Edition of Ahistory, the definitive timeline to Doctor Who, incorporates nearly 2,500 Doctor Who-related stories (the TV show, the books, the audios, the spin-off series, the everything) onto a single timeline, from the beginning of the Universe to the end of time. Volume 1 of 3) of the Fourth Edition encompasses the Prehistory and History sections (through 1962), Volume 2 covers the Present Day, the UNIT era, Modern Day (through 2017), and Gallifrey sections of this astonishing work, and Volume 3 encompasses the Future History of the Doctor Who universe, collectively more than a million words of hardcore Doctor Who analysis.