"Lush, realistic watercolor illustrations.... This is a worthy introduction to a topic with perennial interest."
--Booklist
"The informative text and illustrations stimulate our curiosity while stressing the importance of the environment to the lives of the bears."
--Children's Literature
"Guiberson uses precise verbs and onomatopoeia to paint a picture of the daily activities of the bears while gracefully weaving in facts.... Spirin's detailed watercolors are surprisingly varied in depicting an essentially frozen world."
--School Library Journal
“A directory of environmental groups working to reduce global warming equip[s] young readers with the tools to address the problem."
--The New York Times
