First Edition in dustjacket with the 'Mastermind tells how the Crime Club operates!' variant format to rear panel and rear flap. Early Crime Club title of a murdered mystery writer. 'Van Dusen Ormsberry, a great but very human detective, is called to take charge of the case. He has a hunch that this murder is connected with the unsolved murder the year before of the millionaire, John Fortescue'. Author's first book. Very Good, spine with mild crease and some sunning, in very attractive appearing dustjacket, Near Fine but for square-inch sized abrasions at both front and rear flaps.