7 books in series

Inspectors Hannasyde & Hemingway

Inspectors Hannasyde & Hemingway is a 7-book series with 7 released primary works first released in 1935 with contributions by Georgette Heyer.

Death in the Stocks
Behold, Here's Poison
They Found Him Dead
No Wind of Blame
Envious Casca
Duplicate Death
Detection Unlimited