Contents: The Rivals of Sherlock Holmes. Originally published: London : Bodley Head, 1970 _ More rivals of Sherlock Holmes. Originally published: London : Bodley Head, 1971 _ Further rivals of Sherlock Holmes, originally entitled The Crooked counties. Originally published: London : Bodley Head, 1973.
The Penguin complete rivals of Sherlock Holmes. ISBN 0140090061. Published by Penguin in 1983. Publication and catalogue information, links to buy online and reader comments.