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Start giftingDay of Doom (The 39 Clues: Cahills vs. Vespers, Book 6)
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Learn moreInternational bestseller David Baldacci pens the stunning conclusion to Cahills vs. Vespers!
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.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.David Baldacci is a global #1 bestselling author. His books are published in over 45 languages and in more than 80 countries; over 110 million copies are in print. His works have been adapted for both feature film and television. He is also the cofounder, along with his wife, of the Wish You Well Foundation, which supports literacy efforts across America. David and his family live in Virginia.