The Ace of Knaves

The Ace of Knaves

First edition (UK)
Author	Leslie Charteris
Country	United Kingdom
Language	English
Series	The Saint
Genre	Mystery fiction
Publisher	Hodder & Stoughton (UK) The Crime Club (US)
Publication date	1937
Media type	Print (hardback & paperback)
Preceded by	Saint Overboard
Followed by	Thieves' Picnic

The Ace of Knaves is a collection of three mystery novellas by Leslie Charteris, first published in the United Kingdom in 1937 by Hodder and Stoughton, and in the United States by The Crime Club. This book continues the adventures of Charteris' creation, Simon Templar, alias The Saint. Later editions of the book were retitled The Saint in Action. The adventures in this book mark the return of Templar's longtime girlfriend and partner Patricia Holm and his nemesis, Chief Inspector Claud Eustace Teal since The Saint Goes On.

The book consists of the following stories:

All three stories were adapted as episodes of The Saint TV series.

"The Beauty Specialist" was retitled "Marcia" and aired on October 24, 1963 as part of the second season. "The Spanish War" was retitled "The Work of Art" and aired on October 31, 1963, as part of the second season. "The Unlicensed Victuallers" was retitled "The Hi-Jackers" and aired on December 17, 1964 as part of the third season.