Mists of Dawn
Chad Oliver
The Blue Star
Fletcher Pratt
Double Jeopardy
The Space Ship Under the Apple Tree
Louis Slobodkin
The Haploids
Jerry Sohl
Atom War on Mars
E. C. Tubb
The Long Loud Silence
Wilson Tucker
The Smuggled Atom Bomb
Philip Wylie
Uller Uprising
H. Beam Piper
Federation (1)
Ullr Uprising
Jack of Eagles
James Blish
Galaxy Science Fiction Novel (19)
Space Hawk
Harry Bates & Desmond W. Hall
Hawk Carse (1)
The Voyage of the Dawn Treader
C. S. Lewis
Narnia (3)
Stairway to Danger
Harold Leland Goodwin
Rick Brant Science Adventure (9)
Son of the Stars
Raymond F. Jones
Ron Barron (1)
Islands in the Sky
Arthur C. Clarke
Space Trilogy (1)
The Slaves of Sumuru
Sax Rohmer
Sumuru (2)
Stand by for Mars!
Carey Rockwell
Tom Corbett Space Cadet (1)
The Currents of Space
Isaac Asimov
Trantorian Empire (3)
The Tritonian Ring
L. Sprague de Camp
Pusadian (1)