Thin Air (Shetland Island Series #6)

Ann Cleeves is back with the sixth book in her Shetland series featuring Inspector Jimmy Perez, whom readers will remember from Raven Black, White Nights, Red Bones, Blue Lightning, and Dead Water.

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 …