human
Thru the Dragon Glass,
gpt
The Moon Pool,
human
The Metal Monster and
gpt
The Ship of Ishtar.
human
Out of the Moon,
gpt
The Planeteer,
human
The King of Conserve Island,
gpt
The Blind Spot and
human
Flint and Hall.
gpt
Beyond the Earth Atom and
human
Marooned in Space.
gpt
The Dimension Wizard and
human
The Challenge from Beyond.
gpt
Lost in Time and
human
The Amazing Empire Lost in Time
gpt
The Moons of Lanisar.