This book was recognised in the Natural History category by the John Burroughs Medal for Outstanding Natural History Writing.

This book has been graded for interest at 5-8 years.

There are 40 pages in this book. This book was published 2008 by Henry Holt & Company .

Ilya Spirin is the son of award-winning illustrator Gennady Spirin. Ice Bears was his first book. He lives in New Jersey. Brenda Z. Guiberson is the author of many books for children, including Frog Song , Life in the Boreal Forest , Moon Bear , The Emperor Lays an Egg , and the bestselling Cactus Hotel . She lives near Seattle, Washington.