ISBN 10: 7539173750 ISBN 13: 9787539173757
Seller: liu xing, Nanjing JiangSu, JS, China
paperback. Condition: New. Paperback. Pub Date: 2012 Jun Pages: 71 Language: English Publisher: 21st Century Publishing House small holding pen. open intelligence. Small holding pen learn before ladder practice: Pre-school math exercises comprehensive. diverse kinds of questions. combined training school. the development of a comprehensive. balanced training. an essential pre-schoolers.