“THREE CAVERNS OF DOOM!” Cave Carson and crew race to keep a man named Zenod from collecting mystical crystals granting him diabolical power!

Inside a cavern Cave Carson and his team are being attacked by a man inside a giant crystal. Later, a book dealer of the nearby town tells the team the man is called Zenod, a fanatic collector of books on ancient sorcery, who just bought a book written by the ancient sorcerer Kardok. The team decides to find Zenod and solve the mystery of the Magic Crystal of Kardok.

Story Titles

• Three Caverns of Doom
• The Creature from the Egg
• The Menace of the Rock Monsters