By Tupera Tupera

Polar Bear has lost his underwear! Where could it be? 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.

Hardcover, 7.25 x 12 inches, 32 pages

Why we love this: This laugh-out-loud, one-of-a-kind book from Japanese design talents tupera tupera will surprise and amuse children of all ages!