Автор:Waring Rob Год: 2009 Издание:Heinle/Cengage Learn Страниц: [не указано] ISBN: 9781424011124 Polar bears one of the largest and most dangerous hunters in the cold regions of the North. Their bodies are built for winter and they do best in the coldest areas. Unfortunately, polar bears are becoming threatened due to changes in the world's...
![Источник: Waring R., Footprint Reading Library 2200: Polar Bears in Trouble [Book with Multi-ROM(x1)]](http://www.ozon.ru/multimedia/books_covers/1007193853.jpg)
