Cities
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X-treme Facts: Engineering (6 titles)
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Buildings
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Intro to Physics: Need to Know (6 titles)
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Vehicles
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Tunnels
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Bridges
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Inside a Prairie Dog's Hideaway
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Matter
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Motion
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Electricity
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Dams
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Light and Sound
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Inside an Armadillo's Burrow
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Gravity
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Magnetism
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Melting Ice
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Fires Everywhere
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What on Earth? Climate Change Explained
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Tiger Shark
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Spring Holidays
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Birds
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Animals in Danger
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Rising Seas
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