De Winter, James

Presents the science behind building and defending castles including the use of simple machines, such as pulleys and levers.

Presents the science behind sports, including snowboarding, soccer, and tennis.

Describes some of the world's most famous archaeological discoveries, from King Tut's tomb to the Titanic.

This book examines some of the equipment and methods spies use, including miniature cameras, closed-circuit television, disguises, and more.