On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.
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ISBN: 9780061827662 (pbk.)
ISBN: 0061827665 (pbk.)
Physical Description:285, 5 p. : ill., map. --print
Edition:1st pbk. ed. --
Publisher:New York : HarperCollins, 2012, c2011.
General Note: LSC 7.99"Harper".At head of title: The Genius Files.