The Trials of Apollo Book One the Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
Hard Power
J. B. Turner
12 (1)
These Tangled Vines
MacLean, Julianne
Such a Fun Age
Kiley Reid
The Door Through Space
Marion Zimmer Bradley
The Colors of Space
Spacehounds of IPC
E.E. 'Doc' Smith
Masters of Space
E.E. 'Doc' Smith, E. Everett Evans
Triplanetary
E. E. 'Doc' Smith & Edward E. Smith Ph. D.
The Galaxy Primes
E. E. 'Doc' Smith & Ph. D. Edward E. Smith