West Routt Library District

When the Mystery Inc. gang gets lost in the desert they decide to check out the local ghost town, Sladeville, and find it apparently full of ghosts--but Velma suspects that living people are behind the ghostly manifestations.

On the day Cassie was born, the mayor flipped a lever and everyone cheered as Old Lower Grange was submerged beneath five thousand swimming pools' worth of water and now, twelve years later, Cassie is drawn to the mysterious manmade lake and is joined by her scarred classmate, Liam, in forbidden daily swims while uncovering her town's dark secrets.