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From the critically acclaimed, bestselling author comes the second book in a middle-grade series that's part Scooby Doo, part A Series of Unfortunate Events, and entirely genius! Can Theo and Alexander solve the secret of the spa?After leaving Fathoms of Fun, the kids are on their way to the next odd summer destination their aunt has chosen for them. This time, they find themselves dropped off at the Sanguine Spa in the “little Transylvania Mountains.” There they meet the owners: Mina, her mysterious little sister, Lucy (who is extremely pale, can’t go in the sunlight, and has an affinity for hanging upside down from the ceiling), and their intimidating guardian, the Count. When the Count sends all the children in the spa on a scavenger hunt, the Sinister-Winterbottoms use the excuse to snoop around and discover that this spa may be more than just eerie—it might also hold clues to what happened to their parents. When Wil starts to show vampiric symptoms, the twins resolve t

From New York Times bestselling author Kiersten White comes her middle grade series debut! Part Scooby Doo, part A Series of Unfortunate Events, and entirely genius! Meet the Sinister-Winterbottom twins, who solve mysteries at increasingly bizarre summer vacation destinations in the hopes of being reunited with their parents—or at the very least finally finding a good churro.Twelve-year-old twins Theodora and Alexander and their older sister Wilhelmina Sinister-Winterbottom don’t know how they ended up with their Aunt Saffronia for an entire summer. She’s not exactly well equipped to handle children. The twins are determined to make it a good vacation, though, so when Aunt Saffronia suggests a waterpark, they hastily agree. But Fathoms of Fun is not your typical waterpark. Instead of cabanas, guests rent mausoleums. The waterslides are gray tongues extending from horrible gargoyle faces. The few people they encounter are very, very odd. And the owner disappeared under