Kalluk and Tatqiq were only three months old when they were found orphaned in Alaska. Together they were brought to the World-Famous San Diego Zoo to be cared for.

From the cubs' first tentative months in the zoo's infirmary to their home in the Polar Bear Plunge, this book chronicles the twins' development with exclusive photographs from the zoo and Joanne Ryder's poetic, informative text. Playful and curious, Kalluk and Tatqiq have won the hearts of more than three million people who visit the zoo each year. Whether they're diving into the water, rolling in the dirt, or sliding down a snowdrift, these adorable bears will charm readers of all ages.