Did you know that Earth is the only planet known to have life? Or that scientists study Earth with spacecraft, just like other planets in the solar system? Look inside to learn more about Earth and its place in the solar system.

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Hyenas: Hunters and Scavengers (Wild World of Animals)
Groundhogs: Woodchucks, Marmots, and Whistle Pigs (Wild World of Animals)
Caring for Your Hamster (First Facts)
Caring for Your Hermit Crab (First Facts)