Polar bears in trouble

種類:

図書

責任表示:

Waring, Rob

出版情報:

Boston : Heinle cengage learning, c2009

著者名:

Waring, Rob <DA16464962>  

シリーズ名:

Footprint reading library / Rob Waring, series editor ; . National Geographic ; Upper-intermediate 2200 headwords <BA84407296>

ISBN:

9781424012312 [1424012317]    

注記:

"Footprint reading library with video from National Geographic"--On cover