Thin Air (Shetland Island Series #6)

Ann Cleeves is back with Thin Air, the sixth book in her beloved Shetland series, which is now a hit television show starring Douglas Henshall.

A group of old university friends leave the bright lights of London and travel to Shetland to celebrate the marriage of one of their friends. But, one of them, Eleanor, disappears—apparently into thin air. It's mid-summer, a time of light nights and unexpected mists. And then Eleanor's body is discovered lying in a small loch close to the cliff edge...