When Bugs Were Big, Plants Were Strange, and Tetrapods Stalked the Earth
When Bugs Were Big, Plants Were Strange, and Tetrapods Stalked the Earth
ISBN: 9780792263265
出版社: Natl Geographic Soc Childrens books
出版年: 2004-3
页数: 44
定价: CDN$ 26.50
装帧: HRD
内容简介
Takes a tour of the Earth 320 million years ago, during the Paleozoic Era, and investigates the plants and animals found there.