The fifth part of the "Hitch Hiker's Guide to the Galaxy" series. 20 years on, the Guide falls into the hands of Arthur Dent's daughter, Random, whose mother, unexpectedly to all concerned, is Trillian. Random journeys to an insignificant planet, whose entry in the Guide reads "mostly harmless".
- ISBN10 0517577402
- ISBN13 9780517577400
- Publish Date 13 October 1992 (first published 1 October 1992)
- Publish Status Unknown
- Out of Print 18 October 2003
- Publish Country US
- Publisher Random House USA Inc
- Imprint Crown Publications
- Format Hardcover
- Pages 5
- Language English