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Sally M. Walker

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Stand Alone

Born near the Earth's surface
Caves
Crocodiles (Nature Watch)
Druscilla's Halloween
Earthquakes
Earthquakes (Early Bird Earth Science)
Earthquakes (Earthwatch)
Frozen secrets
Glaciers (Early Bird Earth Science)
Hippos (Nature Watch)
Put Inclined planes to the Test
Inclined Planes and Wedges (Early Bird Physics)
Jaguars
Levers (Early Bird Physics)
Life in an Estuary

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