Here's a different kind of thriller, of the sort often called "literary": Susie Steiner's Missing, Presumed follows British detective inspector Manon Bradshaw as she investigates the disappearance of Edith Hind, a university student from a well-off family.
It was the summer of 1979, and disco was taking over the world. Donna Summer, Chic and Gloria Gaynor were at the top of the charts. Just a few months earlier, the Saturday Night Fever soundtrack had been named Album of the Year at the Grammy Awards. Radio stations were switching to all-disco formats.