Enterprise Stardust K.H. Scheer Enterprise Stardust K.H. Scheer, Clark Darlton · 1969 First published 4 years earlier Save Continue from here
The Rebels of Tuglan Clark Darlton The Rebels of Tuglan Clark Darlton · 1972 First published 1 year earlier Save Continue from here
Tarzan at the Earth's Core Edgar Rice Burroughs Tarzan at the Earth's Core Edgar Rice Burroughs · 1959 First published 14 years earlier Save Continue from here
