Out of the Dark is a thriller novel by American writer Ursula Curtiss, published in May 18, 1964, about how a prank call by a couple of teenagers ends up with a murderer on their trail.[1]
In 1965, the novel was filmed as I Saw What You Did, directed by William Castle and starring Joan Crawford; and again in 1988 for television with the same title, starring Shawnee Smith, Tammy Lauren and David and Robert Carradine.[2]