Edgar Wallace 
The Gaunt Stranger 

Inspector Wembury’s day turns from bad to worse when a legendary assassin who was supposed dead in Australia returns to England seeking vengeance for the murder of his sister. The detective teams up with Lomond, a police doctor, to try to find „The Ringer” who is a mysterious, revenge-driven serial killer and master of disguise. When a lawyer receives a bouquet with a note informing him that he’ll be dead in forty-eight hours, Wembury and his men embark on a frantic quest to uncover the killer’s identity… An exiting book full of intrigue and mystery, „The Gaunt Stranger” is a must-read for all fans of thrilling crime fiction. Edgar Wallace provides a thrill of another sort!