
Francis Iles
Anthony Berkeley Cox was an English crime writer. He wrote under several pen-names, including Francis Iles, Anthony Berkeley and A. Monmouth Platts. He was a founder of the Detection Club, and his novel Before the Fact (1932) was filmed as the Alfred Hitchcock classic Suspicion (1941).
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Malice Aforethought
1981
ISBN 9780060805326
Before the Fact
2024
ISBN 9780712355506