ISBN 10 : 7500650310 ISBN 13 : 9787500650317
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
paperback. Etat : New. Paperback. Pub Date: 2003 Pages: 278 Language: Chinese in Publisher: China Youth Press knocked on the door of astronomy and geography to the form of the story. the main characters of astronomy. geography. events. and knowledge the background information. Knock on the door of astronomy. geography and high school students can enrich the knowledge of astronomy. geography. and to help high school students understand the content of the textbooks. teaching reference materials can also be provided f.