"SEE THE ACE AMATUER SLEUTH OF RADIO AND FICTION SOLVE THE STRANGE SLAYING OF WALL STREET'S RICHEST WIDOW!"
The benefactor of the Stack Memorial Hospital dies after an operation. Ellery Queen investigates when it is revealed the cause of death was murder by strangulation.
Includes: Ellery Queen, Master Detective, Ellery Queen's Penthouse Mystery, Ellery Queen and the Perfect Crime, Ellery Queen and the Murder Ring, A Close Call for Ellery Queen, A Desperate Chance for Ellery Queen, Enemy Agents Meet Ellery Queen, The Spanish Cape Mystery, The Mandarin Mystery