Red House Mystery
Author: first_name: A. A.
last_name: Milne
Language: English
Year: 1922

Antony Gillingham arrives at the Red House moments after a gunshot is heard. The room is locked, the murderer has disappeared and, in Antony's opinion, the police are going about it the wrong way. Antony, who was looking for a new profession anyway, decides to solve the murder himself, with a little help from his friend Bill.  (Summary by Kristin Hughes)