First edition. Sixth book in the series. Fine, bright, tight copy in a spectacular bright and flawless dust jacket. Mystery League thriller in which death stalks a party by radio in a penthouse nineteen stories above the city streets. Basis for the 1934 film The Ninth Guest. Dust jacket art by "Gene." An exceptional copy, there may be another copy as good as this one, but none better.
Inventory Number: 46490