What would you do if you had written an unpublished mystery - and somebody used the method of murder in real life that you had created in your mystery? Radio writer Bill Tracy had to figure out who was stealing his ideas - and translating them into real murders.

The art dealer's will had disappeared. Ellery Queen figured it had to be in the dead man's coffin. But when they opened the coffin, they found a lot more than they had bargained for. A classic Ellery Queen puzzle to challenge the reader.

A horseback ride in Central Park proves deadly for a popular model - and Hildegarde Withers and Inspector Piper will find that the noble sport of horse racing plays a critical role in the search for a solution.

Who was the girl on the stairs - and who was the dead woman in the cellar? It was up to Miss Silver to find the truth.