Mostly Harmless

Mostly Harmless
First edition (UK)
AuthorDouglas Adams
LanguageEnglish
SeriesThe Hitchhiker's Guide to the Galaxy
GenreComic science fiction
PublisherWilliam Heinemann (UK)
Harmony Books (US)
Publication date
1992
Publication placeUnited Kingdom, United States
Media typePrint (Hardcover and Paperback)
Pages229, UK paperback; 240, US paperback
ISBN0-330-32311-3
OCLC29469448
Preceded bySo Long, and Thanks for All the Fish 
Followed byAnd Another Thing... 

Mostly Harmless is a 1992 novel by Douglas Adams and the fifth book in the Hitchhiker's Guide to the Galaxy series. It is described on the cover of the first edition as "The fifth book in the increasingly inaccurately named Hitchhikers Trilogy". It was the last Hitchhiker's book written by Adams and his final book released in his lifetime.