Harry Chase Brearly in this book gives a detailed description of the history of timekeeping from the stone age through the invention of modern clocks and watche

Telling time becomes clear and easy for young readers in this bright and lively introduction to measurements of time. From seconds to minutes, hours to days, ex

"[This book] travels through the past and into the future to explore how humans have measured the passage of time."--P. [4] of cover.

Learn to tell time with Marty McFly! Turn the wheel to find the correct clock that matches the time on each page following a typical day with Marty, Doc Brown,