Dixon, Franklin W. The sign of the crooked arrow. [electronic resource] . — New York, : Grosset & Dunlap, [1949]. — vii, 214 p. : illus. 20 cm. — (His Hardy boys mystery stories). - Dixon, Franklin W. Hardy boys mystery stories. . LCCN: 49001194 LC Class. No.: PZ7.D644 / Shr