Young readers will delight in the visual gags Squid wears a 10-legged pair of panties, and Bunny wears hers on her head.

Lively mixed-media collages illustrate the playful text. Zebra's underwear has colored stripes, Pig's has pictures of doughnuts and French fries, and Butterfly's are covered in flowers.

Each creature's skivvies reflect some characteristic of the owner. Predictably, the undies always belong to some other animal. In the well-established pattern of 'That's Not My.' books, the duo encounter a series of pages with die-cut underpants-shaped windows showing knickers of varying color schemes. PreS-Poor Polar Bear can't find his underwear, and so, with Mouse's help, he walks off in search of his missing undies. (Mar.) Copyright 2015 Publishers Weekly, LLC Used with permission. Working in collage, Japanese design firm Tupera Tupera uses a variety of textiles and textures create the chunky animal cast (Squid's polka-dot underwear has holes for all 10 of his legs, while Bunny wears her carrot-themed briefs on her head), giving readers many moments to giggle over. After a few more tries, Polar Bear discovers that his pair wasn't really lost-just invisible against his white fur (something sharp-eyed readers may have noticed from the outset). Turning each page reveals the underwear's actual owner-in this case, it's Pig, who blissfully chows down on a doughnut in his undies. It looks delicious! 'Is this your pair, Polar Bear?' ' asks Mouse, opposite a page showcasing yellow briefs decorated with cakes, candies, and snacks. Briefs-shaped die-cuts reveal different vividly patterned underwear that could belong to Polar Bear. When Polar Bear loses his underwear, his friend Mouse offers to help. By Grade + Interest - K to 1st By Grade + Interest - 2nd to 3rd By Grade + Interest - 4th to 5th

Polar Bear's Underwear by Tupera Tupera