Edgar Wallace 
The Clue of the Silver Key 

The story begins with the murder of Horace Tom Tickler, burglar, who is „taken for a ride” in the best Chicago fashion and then delivered to Scotland Yard in a stolen cab – and all of England will be turned topsy-turvy until the clue of the silver key unmasks the ruthless murderer! Some intriguing twists, and the murderer’s identity is quite well hidden. With a wide range of suspects – miserly rich uncle, heiress-actress, impecunious inventor, theatrical „angel”, inveterate gambler, even the underpaid butler – this multiple murder mystery delivers. „The Clue of the Silver Key” was made into films and was very popular among viewers.