The Clue of the Broken Blade (The Hardy Boys Mystery Stories Book 21)

vi, 218 pp. 8vo. #21 in The Hardy Boys Mystery series. Light brown tweed boards, dark brown titles, orange Gretta endpapers, frontispiece by Paul Laune. While searching for the guard end of a broken saber that will solve one mystery, the Hardy brothers become involved with a gang of bank robbers.