From the bestselling author of Richard and Judy pick, INSIDE A Dark, Dark Wood comes Ruth Ware’s next compulsive page-turner

This was designed to be the perfect trip.

The Northern Lighting. An extravagance press launch on a boutique cruise ship.

A chance for travel journalist Lo Blacklock to recover from a traumatic break-in which has still left her in the verge of collapse, and to workout what she wants from her relationship.

Except things don’t go as prepared.

Woken in the night by screams, Lo rushes to her windows to see a body system thrown overboard from another door cabin. But the records display that no-one ever checked into that cabin, no passengers are missing in the boat.

Exhausted, emotional and increasingly desperate, Lo must face the fact that she may have made a terrible mistake. Or she is trapped on the boat with a murderer – and she actually is the sole witness…