TY  - BOOK
AU  - Waring,Rob
TI  - Polar bears in trouble
T2  - Footprint reading library
SN  - 9781424011124
U1  - 599.786  WAR/O 
PY  - 2009///]
CY  - Boston, Mass.
PB  - Heinle/Cengage Learning
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Global warming
KW  - Polar bears
KW  - Climatic factors
KW  - Readers (Elementary)
N1  - Includes vocabulary list
ER  -