The Red Triangle

Arthur Morrison was a British writer best known for novels about London's East End, as well as detective fiction works that featured the character Martin Hewitt. 

This work includes the following stories:

THE AFFAIR OF SAMUEL'S DIAMONDS

THE CASE OF MR. JACOB MASON

THE CASE OF THE LEVER KEY

THE CASE OF THE BURNT BARN

THE CASE OF THE ADMIRALTY CODE

THE ADVENTURE OF CHANNEL MARSH