Indicia title is "LITTLE BEAVER, No. 332." Code number is L.B.O.S. #332-515. Copyright 1951 by Stephen Slesinger. Fourth Little Beaver Four Color. Series continues as Little Beaver (Dell, 1951 series) #3 (October-December 1951).
When Little Beaver and Po-Ko are allowed to come along to a gathering of Indian leaders in Tucson, they meet Tonio, who takes the pair to his mother's ranch. While on the ranch the trio discovers the camp of a gang who have been stealing young boys to work as slaves in dangerous underground mines.