Seymour Simon

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Cool Cars (See More Readers)

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Creepy Creatures--see in 3-D

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Danger Earthquakes

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Danger! Volcanoes: See More Readers Level 2 (Seemor …

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Deserts

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Einstein Anderson, Science Sleuth

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Galaxies

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Let's Try It Out in the Air

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Let's Try it Out in the Water

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Lightning