Full-color, fun, and crammed with facts, DK's Secret Worlds take a fresh look at familiar subjects with brilliant results! Kids age 9 and up can delve into a wide range of subjects from nature to history to science for researching school projects, sating a curious appetite, or just for the love of reading. Tried-and-tested Web sites and a Mega-reference section are just two of the innovative features that will keep kids and parents coming back for more. Priced to collect, these dramatically designed books are a valuable ...

Codebreakers 2002, DK Publishing (Dorling Kindersley), New York, NY

ISBN-13: 9780789485298

American edition

Hardcover

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Codebreakers 2002, DK Publishing (Dorling Kindersley), New York, NY

ISBN-13: 9780789485304

Trade paperback

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