Dangerous Venture
Sue Morgan gets Hoppy and his friends to join their expedition looking for Indian artifacts. Expedition leader Atwood makes a deal with nearby cattle rustler Morgan to loot the Indian treasures instead and sell them. Hoppy is on to their plan and pretending to leave follows them. Not only
William Boyd
Andy Clyde
Rand Brooks
Fritz Leiber
Douglas Evans
Harry Cording
Betty Alexander
Francis McDonald
Neyle Morrow