The Case of the Malverne Diamonds: An Inspector Anthony Slade Mystery

Leonard R. Gribble (1908-1985) was a British writer of mysteries, criminology books and even westerns. He was born in Devon, England. During World War II he served in the Press and Censorship Division of the Ministry of Information. In addition to those mysteries under his own name, he was published under at least a half-dozen pseudonyms. Many of the mysteries published under his own name feature the character Inspector Anthony Slade.