  2000 - Learn About the Way Things Move (Paperback) ISBN-13: 9780071348249 ISBN-10: 0071348247 Genres: Children's Books, Science & Math, Engineering, Professional & Technical ?  2000 - Learning About the Changing Seasons (Paperback) ISBN-13: 9780071348225 ISBN-10: 0071348220 Genres: Children's Books, Science & Math, Professional & Technical, Outdoors & Nature ?  2000 - Fun with Mixing and Chemistry (Paperback) ISBN-13: 9780071348256 ISBN-10: 0071348255 Genres: Children's Books, Science & Math, Engineering, Professional & Technical ?  1999 - Exploring Light and Color (Paperback) ISBN-13: 9780071348218 ISBN-10: 0071348212 Genres: Children's Books, Science & Math, Professional & Technical ? |
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