For all we know, or think we know, about Sherlock Holmes and Doctor Watson, what we don’t know is far, far greater. In the duo’s first case, A Study in Scarlet, we learn that Holmes and Watson met on January 1st, 1881, and subsequently moved into an apartment together at 221b Baker Street. Their first case officially began on March 4th of that year, and it is argued that “The Adventure of the Resident Patient” possibly took place in October of 1881, depending on which version of the story you read. But what happened during the rest of 1881? Or all of 1882?

Impossible crimes—locked rooms, sealed time capsules, the vanishing of a horse and buggy from within a covered bridge—by a master of the fairplay detective story.

More Things Impossible contains 15 of Dr. Sam's extraordinary cases solved between 1927 and 1931, including an impossible murder in a house that whispers; poisoning by a gargoyle on the courthouse roof; the case of the devil in the windmill; the houseboat that resembles the Mary Celeste; the affair of the vanishing Gypsies; stabbing in the locked cockpit of a plane in midair; a ghostly pirate in a lighthouse; and eight other ingenious riddles.

This superb collection of nine detective stories focuses on the police procedural genre where crime investigation takes on a sense of reality.

Northmont, Connecticut, seemed to be haunted by ghosts, ghouls, and impossibilities, until Dr. Sam Hawthorne explained the seemingly impossible. All But Impossible contains fifteen of Dr. Sam's most extraordinary cases solved between 1936 and 1940, including a newly murdered corpse in a sealed tomb in a cemetery; a body in a scarecrow; jug that turns water into wine—poisoned wine; a disappearance from a swimming pool; a baby who becomes a child's doll on the way to being baptized; an unfound door; a room that appears and vanishes; And eight other ingenious problems for Dr. Sam.