Longest Day (novel)

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Longest Day

Author	Michael Collier
Series	Doctor Who book: Eighth Doctor Adventures
Release number	9
Subject	Featuring: Eighth Doctor Sam
Publisher	BBC Books
Publication date	March 1998
ISBN	0-563-40581-3
Preceded by	Option Lock
Followed by	Legacy of the Daleks

Longest Day is an original novel credited to Michael Collier. Based on the long-running British science fiction television series Doctor Who, it features the Eighth Doctor and Sam.

Hirath is a planet ravaged by overlapping time fields. There are those who seek to exploit this for monetary gain and there is an invading alien race out to just kill.

The Doctor and Samantha Jones become separated in this novel, and the next three novels see the Doctor searching for his missing companion. They aren't reunited until the events of Seeing I.

The book was written by range editor Steve Cole. As BBC Books did not want the editor writing books for the series, Cole asked his friend, Michael Collier, for permission to publish under his name. Cole had Rebecca Levene edit the book.^[1]

Cole and Collier repeated the arrangement for The Taint. Collier later became an author of historical fiction in his own right. In a 2022 interview, Cole described the process of writing the book as very rushed and the result as largely "dreadful".^[1]

• Longest Day title listing at the Internet Speculative Fiction Database