The Door to December

After six years missing, nine-year-old Melanie reappears on the streets of Los Angeles with haunted eyes and a mysterious past she cannot—or will not—speak of. Her father Dylan is found dead under gruesome circumstances, and Melanie's return should be a cause for celebration, yet it unleashes a wave of inexplicable horrors. As her mother struggles to help her daughter heal from years of captivity, terrifying forces close in from every direction in Dean Koontz's gripping tale of loss, terror, and a secret that could destroy them all.