New York: Simon and Schuster, 1961. Hardcover. 8vo. Black paper over boards with silver spine lettering, pictorial dust jacket. 320pp. Near fine/very good. Text block evenly age toned, as usual; faint jacket edgewear and light rubbing. Item #44142
A tight, nice first edition in this form of this pairing of the 6th and 7th titles in this popular series (1956-2005) -- "Killer's Payoff" and "Lady Killer," both first published in 1958.