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    Environmental Scientists in Action
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    Epic Animal Journeys (4 titles)
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    Epic Migrations by Air
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    5.9   | 
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    Epic Migrations by Land
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    5.7   | 
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    Epic Migrations by Water
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    5.8   | 
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    Escape from the Volcano
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    5.9   | 
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    ¿Es grande o pequeño? (Is it Big or Small?)
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    ¿Es igual o diferente? (Is it the same or different?)
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    ¿Esto es un ser vivo? (Is it a living thing?)
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    3.5   | 
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    Everglades National Park
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    4.2   | 
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    Everglades Research Journal
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    5.4   | 
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    Everyday Electricity, Shocking But True
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    Everyday Insects
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    4.8   | 
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    Exploring Planet Mars
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    7.2   | 
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    Exploring the Brain (4 titles)
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    Fabulous Fruits
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    Familias de animales (Animal Families)
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    3.7   | 
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    Fast Food: Slowing Us All Down
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    5.6   | 
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    Feasting Bedbugs, Mites, and Ticks
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    6.0   | 
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    Fish
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    Fish
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    3.8   | 
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    Fish Life Cycle
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    2.1   | 
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    Flight into Orbit
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    Floating or Sinking
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