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What Is Mass? (Rookie Read-About Science)
What Is Mass - Rookie Read-About Science Author:Don L. Curry From friendly dolphins to giant pandas, from icebergs and glaciers to energy from the sun, from magnets to solids, liquids, and gases, Rookie Read-About Science is a natural addition to the primary-grade classroom with books that cover every part of the science curricula. Includes: animals, nature, scientific principles, the environment, weather... more », and much more!« less