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Human-alien encounters
456 books
The Lani People
Jesse F. (Jesse Franklin) Bone
Operation Terror
Murray Leinster
Little Fuzzy
H. Beam Piper
Naudsonce
H. Beam Piper
Triplanetary
E. E. (Edward Elmer) Smith
Planet of the Damned
Harry Harrison
An Incident on Route 12
James H. Schmitz
The Repairman
Harry Harrison
Cry from a Far Planet
Tom Godwin, Martinez
The short life
Francis Donovan, Hubert Rogers
A Transmutation of Muddles
H. B. (Horace Bowne) Fyfe, H. R. Van Dongen
The Native Soil
Alan Edward Nourse
PRoblem
Alan Edward Nourse
The Winds of Time
James H. Schmitz, Adolph E. Brotman
Anything You Can Do ...
Randall Garrett
Accidental Death
Peter Baily, John Schoenherr
The Gift Bearer
Charles L. Fontenay
The Good Neighbors
Edgar Pangborn
The Jameson Satellite
Neil R. Jones
The Martian: A Novel
George Du Maurier
Inside John Barth
William W. Stuart, Diane Dillon, Leo Dillon
What's He Doing in There?
Fritz Leiber, Bowman
Prelude to Space
Robert W. Haseltine, W. E. Terry
The Invaders
Murray Leinster
The Inhabited
Richard Wilson, William Ashman
Youth
Isaac Asimov
The Venus Trap
Evelyn E. Smith, Dick Francis
The Very Secret Agent
Mari Wolf, Ed Emshwiller
The Vilbar Party
Evelyn E. Smith, Sandy Kossin
Helpfully Yours
Evelyn E. Smith, Ed Emshwiller
My Fair Planet
Evelyn E. Smith, Diane Dillon, Leo Dillon
Once a Greech
Evelyn E. Smith, Diane Dillon, Leo Dillon