NY: Grosset & Dunlap, 1947. 12mo.; rust-red cloth covered boards with black print and lightning bolt in circle, hardcover; blue endpapers of Spindrift Island; b/w frontispiece; The Hardy Boys Mystery Stories listed on back jacket cover to The Secret of Wildcat Swamp and inside book lists to Stairway to Danger;...
NY: Grosset & Dunlap (1919). Small 8vo; pictorial cloth covered boards; hardcover; 319 pages; black and white illustrations; sunned lightly edgeworn boards with slightly sunned pages else a very good clean tight copy in a sunned edgeworn dust jacket withTarzan Lord of the Jungle the last title on the back cover.
NY: Grosset & Dunlap, 1928. Stated 2nd printing; sm 8vo.; red cloth covered boards with black lettering on front and spine, hardcover; black and white illustrations; lightly rubbed boards else a clean tight copy in a dust jacket that is in poor condition, edgeworn, chipped and torn with taped edges.