A woman vanishes under mysterious circumstances, and Inspector Jimmy Perez must distinguish reality from fiction in Thin Air, the sixth Shetland mystery by Ann Cleeves. Now a BBC One series, Shetland, featuring Douglas Henshall. A group of old friends from university leaves the lights of London and travels to Shetland to celebrate the wedding of a friend to a local. But late on the wedding night, one of them, Eleanor, disappears—seemingly into thin air. Detectives Jimmy Perez and Willow Reeves are dispatched to investigate. Before disappearing, Eleanor claimed she saw the ghost of a local child who drowned in the 1920s. Jimmy and Willow are convinced that something more than they initially believed is behind Eleanor's disappearance. Is there a secret hidden behind the legend? Something so shocking that, many years later, someone would kill to protect it? Continue the gripping mystery series with Cold Earth.