The Riddle of the Roost
The Riddle of the Roost is a 1939 mystery detective novel by the Irish-born writer Lynn Brock. It was the third and last in his trilogy featuring the characters of Scotland Yard detective Sergeant Venn and Constable Kither. It was Brock's penultimate novel, followed the next year by The Stoat a final entry into the series of his best-known character Colonel Gore.