sentences:  It is, therefore, one of only five serials from the 1963–1989 series not to be novelised by Target – along with Adams' other stories "The Pirate Planet" and "City of Death", plus Eric Saward's two Dalek stories ("Resurrection of the Daleks" and "Revelation of the Daleks").A six-part adaptation of the story by Jonathan V Way appeared in issues 13–18 of "Cosmic Masque", the Doctor Who Appreciation Society's fiction magazine.Adams granted permission for the adaptation on condition that it was never published in collected form.