​Twelve-year-old Hazel Woods has always had an unusual knack for sleuthing. Some may call it snooping, but all she really wants is to solve mysteries around town. So, when she not-so-accidentally overhears her brother Den planning to sneak into the cemetery at night for an epic game of hide-and-seek, she decides to secretly tag along. This seems like the perfect opportunity to investigate the claims that the cemetery is haunted.

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But the moment the game ends, Hazel realizes something is very, very wrong. From her hiding spot in the bushes, she overhears that her brother's best friend, Everett, is missing. Everyone else was found by the seeker but there's no sign of Everett anywhere. It's as if he just . . . vanished

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Hazel and Den are determined to find Everett before it's too late. But as they begin to unravel the terrifying clues that started appearing since that night in the graveyard–eerie whispers that sound like someone counting, the intermittent smell of smoke, and the cold, lost presence that follows them everywhere, she's not sure what they are dealing with. But Everett needs more than search parties and scent-tracking dogs to find him, especially if his disappearance is tied to the history of the cemetery, and the lost, century-old spirits that might still be trapped there . . .

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