New York: Grosset and Dunlap, 1928. 1st edition 1st printing.
Hardcover.
Red cloth with Hardy Boys seal on front cover. 1st printing with ads on copyright page listing through this title and ads at rear listing through Hardy Boys #5 (Hidden Gold). Former owner's name and a few circles written on endpapers; three small circles written in ink on front board. Book otherwise clean and unmarked. A slight touch of fraying to cloth at top of spine but overall in very good condition. Item #1249911