I Wonder Why Triceratops Had Horns

ISBN: 9780753456156

作者: Rod Theodorou

出版社: Houghton Mifflin

出版年: 2003-4

页数: 32

定价: $ 7.90

装帧: Pap

内容简介

Dinosaur fans will quickly find out why some dinosaurs ate stones in this prehistoric problem solver.