Part of The Hardy Boys series: #40
In a search for the missing Willard Grafton, Frank Hardy and younger brother Joe, encounter a gang of criminals intent on defrauding the US government, and are lead across California and even into Mexico.
Hardcover
Published by Grosset & Dunlap
Dec 01, 1960 | 192 Pages | 4-13/16 x 7-5/16 | Middle Grade (8-12)
