What has the author Arthur E Copping written?

Arthur E. Copping (1891-1976) was a prolific British writer best known for his detective fiction set in the 1920s and 30s. He wrote over 70 novels, many featuring the detective "Superintendent Hanaud".

Here are some of his most notable works:

* The Green Eyes of Bast (1928): This is considered one of his most popular and critically acclaimed novels. It features Superintendent Hanaud and involves a murder investigation in Egypt.

* The Shadow of the Cobra (1932): Another popular novel featuring Hanaud, set in India and dealing with a mysterious poisoning.

* The Riddle of the Sands (1934): A chilling story about a man who discovers a deadly plot against England.

* The Mystery of the Green Triangle (1935): Another Hanaud novel involving a complex murder investigation and a secret society.

* The Red Triangle (1938): This book is a sequel to "The Mystery of the Green Triangle".

Copping also wrote historical novels, thrillers, and several books for children. While he is not as well-known today as some other Golden Age authors, his work is still considered enjoyable and worth reading for fans of detective fiction and suspense.