On Thin Ice portrays the fictional story of a polar bear and her cub, who emerge from their winter den into the Arctic of the 21st century. The story indicates what could be challenges for the bears in the years to come, as they live in a continuously warming climate. Both mother and cub must survive circumstances that should not normally occur in their habitat, creating a suspenseful, but uplifting tale for younger readers. The Facts section explains the natural way polar bears and other animals really live in the bitter cold. Providing tips so the reader is able to contribute to the health of our planet, the Ways You Can Help section educates young and old alike. The book depicts this beautiful and mysterious environment in water color.