"There are no polar bears left on Bear Island. At least, that's what April's father tells her when his scientific research takes them to a faraway Arctic outpost for six months. But one night, April catches a glimpse of something distinctly bear shaped loping across the horizon. A polar bear who shouldn't be there--who is hungry, lonely, and a long way from home. As their unlikely bond grows, April is determined to save her new friend--and so begins...

Dr. Morley and her team arrive in the Arctic Circle, where they encounter such wonders as playful orcas, the glowing aurora borealis, and formidable ice shelves while searching for the giant Arctic jellyfish, a legendary creature no one has ever seen.