"Dead to the World" is the fourth book in Charlaine Harris's Southern Vampire Mysteries series, featuring the telepathic waitress Sookie Stackhouse. In this installment, Sookie encounters a strange situation when she finds Eric Northman, a powerful vampire, in a vulnerable state, having lost his memory. This unusual circumstance leads Sookie to discover more about Eric's past and current enemies. As she becomes embroiled in his world, she must confront the dangers that arise from his forgotten identity.