Hawaiian Sea Hunt Mystery - A Biff Brewster Mystery Adventure (#3). Andy Adams. New York: Grosset & Dunlap, 1960. First edition. Original dust jacket.
The entire Brewster family flies to festive, exotic Honolulu where a startling newspaper headline involves Biff and his lather in a hair-raising race to locate a kidnapped scientist, a sunken sloop, and a cache of precious Cesium, a rare mineral essential to rocket propulsion and the conquest of the moon.











