ISBN:99992222
作者:Mary Pope Osborne
适合年龄:9-12岁
主题:AR 4~4.9
系列:Magic Tree House
分类:科普读物
页码:119
定价:$5.99
分馆:上海馆 是否在馆:不在馆
WHY IS THE arctic so cold? How do polar bears cross thin ice? How did people learn to survive in that harsh climate? Find out the answers to these questions and more in Magic Tree House Research Guide: Polar Bears and the Arctic, Jack and Annie's guide to the arctic. This is the nonfiction companion to Polar Bears past Bedtime .