1.
Fossil Fuels: Buried in the Earth (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893252
List Price: $21.25
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Floating and Sinking (My First Science Library 1-2)
by Hansen, Amy S.
ISBN: 9781617419409
List Price: $7.95
3.
Solid or Liquid? (My First Science Library K-1)
by Hansen, Amy S.
ISBN: 9781617419287
List Price: $7.95
4.
Hydropower: Making a Splash! (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893290
List Price: $21.25
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Geothermal Energy: Hot Stuff! (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893306
List Price: $21.25
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Nuclear Energy: Amazing Atoms (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893283
List Price: $21.25
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Where Did the Water Go? (My First Science Library 2-3)
by Hansen, Amy S.
ISBN: 9781617419539
List Price: $7.95
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Where Does the Sun Go at Night?; An Earth Science Mystery (First Graphics)
by Amy S. Hansen
ISBN: 9781429671767
List Price: $5.95
9.
How Do We Stay on Earth?; A Gravity Mystery (First Graphics)
by Amy S. Hansen
ISBN: 9781429671743
List Price: $5.95
11.
Wind Energy: Blown Away! (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893276
List Price: $21.25
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Solar Energy: Running on Sunshine (Powering Our World)
by Hansen, Amy S.
ISBN: 9781435893269
List Price: $21.25
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Matter Comes in All Shapes (My First Science Library 1-2)
by Hansen, Amy S.
ISBN: 9781617419416
List Price: $7.95
15.
What Is It Made Of? (My First Science Library K-1)
by Hansen, Amy S.
ISBN: 9781617419270
List Price: $7.95
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Wild Animals My First Time Learning About
by Hansen, Amy S., Fraccaro, W...
ISBN: 9781412715935
List Price: $9.98
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Flote Ak Koule / Floating and Sinking (Bilingual)
by Hansen, Amy S.
ISBN: 9781643822976
List Price: $19.50