From one of the most exciting voices in crime fiction comes two riveting prequels to the international bestseller The Ruin, "a compelling crime thriller that delivers depth as well as twists." (Sara Foster, internationally bestselling author of You Don't Know Me)The SistersTen years prior to the events of The Ruin, bright-eyed Carrie Ryan is at the very start of her career. When she has a hunch about an ongoing murder investigation, she knows it could be her only chance to prove herself and truly break into the "boys' club" of Dublin's police force.Carrie uncovers this make-or-break moment in a case file that her sister Aifric, a newly qualified barrister, leaves on their kitchen counter: Robert Collins has been charged with the murder of his girlfriend after a fight in a local pub. All signs point toward a guilty verdict, but both sisters quickly begin to find evidence that complicates the story. All the while, Carrie is very aware that she's crossed the line—if the detective sergeant running the investigation finds out she's been messing around with his case, her career will be over before it has begun.The RoommateTwenty-two-year-old Niamh Turley thought she had problems dealing with the obnoxious principal of the school she's teaching in as well as the anxious parents of her little charges. But when she wakes one morning to a missing roommate and a garda knocking on her door, her life spirals out of control fast ...