In a riveting psychological thriller, Mary Higgins Clark takes the reader deep into the mysteries of the human mind, where memories may be the most dangerous things of all. At the center of her novel is Kay Lansing, who has grown up in Englewood, New Jersey, daughter of the landscaper to the wealthy and powerful Carrington family. Their mansion -- a historic seventeenth-century manor house transported stone by stone from Wales in 1848 -- has a hidden...

Maren, her older sister Hallie, and their grandmother go undercover to investigate a suspicious summer camp for dreamers, and when sleepwalking campers cannot be awakened, the three hurry to uncover and stop the criminal mastermind running the camp.

NEW YORK TIMES Gorgeous, blond, successful, living in a beautiful Victorian home in a Vermont village, Annalee Ahlberg has another side: at night she sleepwalks, and her affliction manifests in ways both devastating and bizarre. A search party combs the woods, but there is little trace of Annalee and her family fears the worst. Her daughter Lianna leaves college to care for her father and younger sister. She finds herself uncontrollably drawn to Gavin...