Harry Dickson vol 1 Mysterion back

Harry Dickson and his loyal assistant Tom Wills investigate fantastic mysteries in 30s England, a series that's part Sherlock Holmes, part The X-Files. Famous investigator Harry Dickson is just back in London after some well-deserved holidays, and already Scotland Yard are seeking his help again, for there are very strange events afoot. A famous heiress and writer, Delphina Cruikshank, has vanished from a locked house. The corpse of an executed murderer has disappeared… while the doctor who was autopsying him was murdered. And Mysterion, Miss Cruikshank's new character, may not be entirely fictional!