Mouse's Pants Picture Book *Mouse's Pants* 10 years after the release of *Polar Bear's Pants*, the story of a polar bear who was in trouble because he lost his pants. This time, it seems that his companion, the mouse, has lost his pants!? Now available in a slightly smaller size, *Mouse's Pants*. This time too, please take the book out of the pants-shaped sleeve case before reading. The story begins with the mouse in trouble because he lost his pants. No scratches or tears are visible. Stored at home. Please refrain from purchasing if you are sensitive to used items. For those who understand that this is a used item. Thank you.