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  1. 1

    The Smartest Animals on the Planet: Extraordinary Tales of the Natural World's Cleverest Creatures

    Sally Boysen / Firefly Books
    New Trade Paper  /  Biology - Zoology
    $16.72 $24.95


  2. 2

    Smartest Animals on the Planet (09 Edition)

    Sally Boysen / Firefly Books
    Used Hardcover  /  Agriculture - General
    $18.00 $35.00


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Powell's City of Books is an independent bookstore in Portland, Oregon, that fills a whole city block with more than a million new, used, and out of print books. Shop those shelves — plus literally millions more books, DVDs, and gifts — here at