Open Library
Sci-Fi
The future, written before it arrives.

Aliens for breakfast
Jonathan Etra

To Venus! to Venus!
David Grinnell

H.G. Wells
Martin, Christopher

The Cloverdale switch
Eve Bunting

To Follow a Star
Terry Carr

Into the Unknown
Terry Carr
World's Near and Far
Terry Carr

Timetracks
Keith Laumer

Doctor Magdalena
Rosa Martha Villarreal

Science & technology in fact and fiction
DayAnn M. Kennedy

Four for the Future
Harry Harrison

The Hunter
Rose Estes

Tom Swift and his 3-D Telejector
Victor Appleton II

Tom Swift and his Sonic Boom Trap
Victor Appleton II

Tom Swift and the Cosmic Astronauts
Victor Appleton II

Taking Flight
Lawrence Watt-Evans

Mechanismo
Harry Harrison

Legend
Barry Maher

Novels (Andromeda Strain / Terminal Man)
Michael Crichton

I Was a Teenage Popsicle
Bev Katz Rosenbaum