Op-center
Tom Clancy
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Battle Circle 3 - Neq the Sword
Piers Anthony
Saving Faith
David Baldacci
One Day on Mars
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What Happened at Midnight
Franklin W. Dixon
The Evolution of Useful Things
Henry Petroski
Cathedral, Forge, and Waterwheel: Technology and Invention in ...
Frances Gies; Joseph Gies
The Britannica Guide to Inventions That Changed the Modern World
Robert Curley