The Lodger

Richard Hannay flees across the Scottish moors after a stranger is murdered in his flat. A foundational spy thriller built on pursuit, disguise, and a coded mystery only Hannay can solve in time.

John Buchan

A weekend houseguest turns amateur sleuth after a man is found dead behind a locked door. Milne's only mystery novel is a clean, witty locked-room puzzle from the author of Winnie-the-Pooh.

A.A. Milne

Four strangers swap suspect murder stories in a London club during a thick fog, each tale tighter than the last. A short suspense novella that turns into its own twist.

Richard Harding Davis

Lawyer Utterson investigates the strange will of his friend Dr. Jekyll and the violent stranger who keeps appearing in his place. A mystery that hides its revelation until the last chapter, told entirely through documents and witness accounts.

Robert Louis Stevenson

A poet infiltrates an anarchist council called by days of the week and discovers each member hides another mystery. A philosophical thriller that turns the spy genre inside out.

G. K. Chesterton