''It gripped me for a week. Incredible!'' JANICE HALLETT''Mind-bendingly brilliant. Agatha Christie on steroids!'' TIM GLISTERA locked room. A brutal murder. And a killer who can unwind time...A DEAD BILLIONAIRE Part-time constable Ella Manning never thought she''d have to investigate her ex-fiance´''s murder.But that''s exactly what happens when tech entrepreneur Lincoln Shan is found dead in his study the morning after a controversial product launch - with the door locked from the inside. A RAGING STORM Trapped inside Shan''s mansion above the remote town of Black Lake, it''s up to Ella to catch the killer.But Black Lake is no ordinary place, and its strange history will make this the most baffling murder case of her career. SIX HOURS TO FIND A KILLER Because some of the town''s inhabitants have the power to rewind time - and someone is using it to protect a murderer. Just as Ella is sure she has identified the culprit, the last six hours are undone.With no memory of what she discove