1998 - Usborne Science Encyclopedia [Encyclopedias Series] (Paperback) ISBN-13: 9780746030523 ISBN-10: 0746030525 Genres: Children's Books, Reference 2 1998 - Science Encyclopedia [Encyclopedias Series] (Other) ISBN-13: 9780881109641 ISBN-10: 0881109649 Genre: Children's Books ? Science Encyclopedia [Usborne Encyclopedia] (Other) ISBN-13: 9780613910286 ISBN-10: 0613910281 Genres: Children's Books, Reference ? |