HarperCollins has put
25 Agatha Christie short stories up for pre-order in the Kindle store, all at 99 cents each:
The Rajah's Emerald; The Harlequin Tea Set; The House at Shiraz: A Parker Pyne Story; Poirot and the Regatta Mystery; The Red Signal; Philomel Cottage; The Dream; The House of Lurking Death: A Tommy & Tuppence Adventure; The Gate of Baghdad: A Parker Pyne Story; The Under Dog; Sanctuary; The Second Gong; The Case of the Missing Lady: A Tommy & Tuppence Adventure; Strange Jest; Four-and-Twenty Blackbirds; The Mystery of the Spanish Chest; The Man in the Mist: A Tommy & Tuppence Adventure; Triangle at Rhodes; The Case of the Perfect Maid; Yellow Iris; The Love Detectives; The Witness for the Prosecution; The Case of the Caretaker; The Dead Harlequin; and Tape Measure Murder.