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Polar Bear has lost his underwear! Where could it be? There's only one thing to do: Remove the book's underwear-shaped bellyband to find the missing pair! Is that Polar Bear's underwear? No, it's Zebra's—see the colorful stripes? What about that itty-bitty pair? No, those belong to Butterfly! And so the search continues, with every page revealing an animal in eye-popping undies. This laugh-out-loud, one-of-a-kind novelty book from Japanese design talents tupera tupera will surprise and amuse children and their parents, all while affirming the importance of putting on your underwear.

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