From the #1 New York Times bestselling author of Middle School and I Funny comes three brilliant family adventure stories, now in one volume! The Kidd siblings have grown up diving down to shipwrecks and traveling the world, helping their famous parents recover everything from swords to gold doubloons from the bottom of the ocean. But after their parents disappear on the job, the kids are suddenly thrust into the biggest treasure hunt of their lives. Their rescue mission takes them through shipwrecks and pirates, down the Nile and around the Egyptian pyramids, and beyond the Great Wall of China into the underbelly of Berlin. James Patterson's light-hearted adventure series will take you on an enchanting world tour with a hilarious cast of characters and unforgettable twists and turns.