CriticasGr 1-4-Linking expressive and humorous illustrations to large inviting type, Wells has created a first-rate introduction to what time is and how it is measured. He begins by comparing time to wind something we can see the effects and passage of without being able to see the thing itself and then moves along to the various ways of telling time throughout history: watching the sun, making sundials and adding gnomons, through water clocks, and, finally, with clocks. Along the way the author explains why night and day exist, why the Moon seems to change shape, and how our current calendar dates back to the Egyptians and Julius Caesar. He concludes with a look at time zones and the idea of time travel, which, he says, occurs all the time, though only in one direction. Direct, informative and at times whimsical, this title is a winner and should prove popular in libraries and bookstores. Coop Renner, Fairmeadows Elementary, Duncanville, TX Copyright 2003 Reed Business Information.
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