V3.6.0 p20160420 

This book is very interesting , introducing the north pole perfectly . The writer has been there before , so the knowledge is professional

本書講述一個神秘莫測、危機四伏的地方-北極。當中指出了該地方的奇景、有趣的植物和動物。它詳細說明了以上要點，使我對北極這地方有更深入的了解。