8.
The Maker of Universes (1965)
3
4.333
11.
The Gates of Creation (1966)
2
4.5
20.
Behind the Walls of Terra (1970)
1
5.0
21.
The Stone God Awakens (1970)
1
5.0
22.
To Your Scattered Bodies Go (1971)
5
4.8
23.
The Fabulous Riverboat (1971)
4
3.75
36.
The Lavalite World (1977)
1
5.0
40.
The Magic Labyrinth (1980)
3
4.0