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School Library Journal
Reviewed on July 1, 2000
Gr 4-7 This attractive offering is brimming with information about time and timekeeping, from seasons, years, and time zones to pendulums, hourglasses, and femtoseconds. The conversational tone helps readers get through the more difficult concepts, such as looking backward into deep time and deep space. Readers get a historical glimpse at the Tower of Winds, a laborious water clock built in Greece...Log In or Sign Up to Read More