Flight to Opar
Philip José Farmer
Tarzan's Africa / Opar / Khokarsa (2)
Venus on the Half-Shell
The Adventure of the Peerless Peer
Wold Newton (1)
Hadon of Ancient Opar
Tarzan's Africa / Opar / Khokarsa (1)
Traitor to the Living
Exorcism Trilogy (3)
After King Kong Fell
Time's Last Gift
To Your Scattered Bodies Go
Riverworld (1)
The Wind Whales of Ishmael
The Sliced-Crosswise Only-On-Tuesday World
Dayworld (1)
The Stone God Awakens
Riverworld and Other Stories
Lord of the Trees / The Mad Goblin
Secrets of the Nine (1)
Behind the Walls of Terra
The World of Tiers (4)
The Empire of the Nine
Keepers of the Secrets
Secrets of the Nine (3)
Riders of the Purple Wage or the Great Gavage