The 39 clues

Rick Riordan


In this book Dan and Amy Cahill fight other Cahills for clues that are the ingredients to a mysterious serum. The family has four branches, most of the Cahills know what branch that they are but Dan and Amy dont. for some reason though Dan and Amy are the main threats in the competiton.Will Dan and Amy collect all the clues or die trying.
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you need to read this book

you should read this book because it has lots of mysteries and it is packed with adventure and action.