Tupera Tupera is the Tokyo-based art and design firm of the artists
Tatsuya Kameyama and Atsuko Nakagawa. They are also the creators of
the Make-a-Face Doodle Books.
"'Polar Bear's Underwear' has it all - a guessing game on each
page, a twist at the end, and, crucially, abundant opportunities to
say underwear."--The Boston Globe
"What a great surprise ending!"--Imagination Soup
"Many moments to giggle over."--Publishers Weekly