The Book of the War is a hypertext, multi-author novel presented in the form of an encyclopedia of the first fifty years of the War in Heaven in the Faction Paradox universe, which is based on Doctor Who lore and canon. The book was edited and written by Lawrence Miles, and co-authors include Simon Bucher-Jones, Daniel O'Mahony, Ian McIntire, Mags L. Halliday, Helen Fayle, Philip Purser-Hallard, Kelly Hale, Jonathan Dennis, and Mark Clapham.
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