Death at the SanatoriumAn old sanatorium. A terrifying murder. Six suspects and a case that never closed Discover the new locked room mystery by the Sunday Times bestselling author. Once a hospital dedicated to treating tuberculosis, The Akureyri Sanatorium now sits haunted by the ghosts of its past. But a single wing remains open, housing six employees. When one of the hospital's nurses, Yrsa, is found brutally murdered, it sets in motion a series of terrifying events.