In reading order
The Legend of Red Horse Cavern
Gary Paulsen
Rodomonte's Revenge
Gary Paulsen
Escape from Fire Mountain
Gary Paulsen
The Rock Jockeys
Gary Paulsen
The Gorgon Slayer
Gary Paulsen
Hook 'Em Snotty!
Gary Paulsen
Danger on Midnight River
Gary Paulsen
Captive!
Gary Paulsen
Project
Gary Paulsen
The Treasure of El Patrón
Gary Paulsen
Skydive!
Gary Paulsen