Introduction: "No one done it" / Isaac Asimov
The Murders in the Rue Morgue / Edgar Allan Poe
The Adventure of the speckled band / Sir Arthur Conan Doyle
The Problem of Cell 13 / Jacques Futrell
The Light at three o'clock / MacKinlay Kantor
Murder at the automat / Cornell Woolrich
The Exact opposite / Erle Stanley Gardner
The Blind spot / Barry Perowne
The Operator / Jack Wodhams
The Leopold locked room / Edward D. Hoch
Vanishing act / Bill Pronzini and Michael Kurland.
