. . "The Dalek Factor is an original novella written by Simon Clark and based on the long-running British science fiction television series Doctor Who. It features a Doctor whose incarnation is unspecified. It was released both as a standard edition hardback and a deluxe edition featuring a frontispiece by Graham Humphreys. Both editions have a foreword by Christopher Fowler."@en . . "ISBN 1-903889-30-8 (standard)" . "The Dalek Factor"@en . . . "ISBN 1-903889-31-6 (deluxe)" . "120"^^ .