The House of Seven Gablesby Greg Hassett1978 (3 ratings)
Voyage to Atlantisby Greg Hassett1979 (2 ratings)
Sorcerer's Castle Adventureby Greg Hassett1979 (3 ratings)
King Tut's Tombby Greg Hassett1979 (2 ratings)
Journey to the Center of the Earthby Greg Hassett1978 (3 ratings)
Devil's Palaceby Greg Hassett1980
World's Edge Adventureby Greg Hassett1980
Enchanted Islandby Greg Hassett1979 (1 rating)