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Inventions

Cool Stuff and How It Works

Skybreaker

Kenneth Oppel

Matt Cruse, a student at the Airship Academy, and Kate de Vries, a young heiress, team up with a gypsy and a daring captain, to find a long-lost airship, rumored to carry a treasure beyond imagination

Invention

Lionel Bender

Photographs and text explore such inventions as the wheel, gears, levers, clocks, telephones, and rocket engines.

Inventions and Inventors

Examines 195 of the most significant inventions of the 20th century, includes biographical sidebars on many inventors.