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An unread, unused copy: no writing or highlighting, and no missing or damaged pages. Every book we sell is brand new, including our lowest-priced titles.
Scientists estimate that about 500,000 detectable earthquakes shake the earth each year. But the majority of them go unnoticed, as most register at the bottom of the 8.0+ magnitude scale. In this hi-lo title, kids will learn how to react to the dangerous quakes that can be felt.