ISBN: 9780545060479    Publisher: Scholastic US Year of publishing: 2010     Format:  Hardback No of Pages: 192        

Shaken by a shocking loss, Amy and Dan flee to an exotic land and trace the footsteps of their most formidable ancestor yet: a miitary leader of mythic proportions. But just as the siblings begin to master the art of ancient warfare, they confront a dangerous enemy \- the truth. With the stakes higher than ever, Amy and Dn uncover a devastating secret about the Cahill family that changes everything.
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Peter Lerangis is the author of The Sword Thief and The Viper's Nest, Books 3 and 7 in the bestselling multi-media adventure series The 39 Clues. He has written more than 150 books for young readers in many different genres. He's also a Broadway musical theater actor/singer, a marathon runner, and a father of two sons. He currently lives in New York City.

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