Day of Doom
Book 6 of The 39 Clues: Cahills vs. Vespers series
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The Ultimate Sacrifice
It started with a kidnapping. A shadowy organization known only as the Vespers snatched seven members of the Cahill family and demanded a series of bizarre ransoms from around the world. Thirteen-year-old Dan Cahill and his older sister Amy began a global treasure hunt, determined to bring back whatever Vesper One needed, so long as it kept the hostages safe.
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But when they deliver the last ransom, Amy and Dan discover Vesper One's terrifying endgame. The objects he demanded are vital pieces in a Vesper plot that will harm millions of innocent people. Now the two siblings and their friends are in an all-out sprint to stop Vesper One . . . before the whole world goes BOOM.
In this final volume to The 39 Clues: Cahills vs.Vespers series. Baldacci will have you on the edge of your set to see what will happen.
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