Doubled in Diamonds

Doubled in Diamonds
First edition
AuthorVictor Canning
LanguageEnglish
SeriesRex Carver
GenreSpy thriller
PublisherHeinemann
Publication date
1966
Publication placeUnited Kingdom
Media typePrint
Preceded byThe Whip Hand 
Followed byThe Python Project 

Doubled in Diamonds is a 1966 spy thriller novel by the British Victor Canning. It is the second in a series of four novels about Rex Carver, a private detective drawn back into his old profession of espionage.