The Trigger
Arthur Charles Clarke & Michael P. Kube-Mcdowell
Danger's Cure:
Amanda Carlson
The Bike Tour Mystery
Carolyn Keene
Nancy Drew Mystery Stories (168)
Secret Service Setup
Jessica R. Patch
Skylife: Space Habitats in Story and Science
Gregory Benford & George Zebrowski
The Nature of Space and Time
Stephen W. Hawking & Roger Penrose