https://www.christianbook.com/hunting-for-hidden-gold-softcover-5/9780486852867/pd/85286X
Hunting for Hidden Gold, Softcover, #5: Franklin W. Dixon: 9780486852867 - Christianbook.com
Private investigator Fenton Hardy becomes injured while working on a case of stolen gold in Montana and sends a cryptic message urging his sons, Frank and Joe...
hunting for hidden goldfranklin w dixon