Sophie does not want to do her homework, a research report on polar bears. Bor-ing. They're big. They eat things. They're mean. What else is there to say about them anyway? As it turns out, plenty. And when a polar bear named Olafur swoops her away to the Arctic, she soon learns all about the playful bear's habits and habitat--from glacier mice to the northern lights--and, despite her first reservations, she finds herself not just interested but excited about the Arctic. When the two are swept out to sea on an iceberg, Sophie's new knowledge and knack for creative thinking pay off in a big...