I think 'Room' by Emma Donoghue is very impactful. It tells the story of a woman and her son who are held captive in a small room. It shows how they cope with the situation and the psychological impact of abduction. The way it's written makes you really feel what they're going through.
Another good one is 'The Lost Girls: An Unsolved American Mystery'. This book focuses on the disappearances of several young women, which are believed to be abductions. It delves deep into the investigations and the lives of the families left behind, exploring the mystery and the pain they endured.