"Who Killed My Daughter?" by Lois Duncan is a gripping nonfiction book published by Random House Publishing Group in 1992. The book delves into the true story of a mother's relentless search for her daughter's murderer, offering a captivating narrative that explores the complexities of the crime. With a Hardcover format and 304 pages, this book is a must-read for those interested in true crime and non-classifiable genres, providing a compelling exploration of the topic of murder in a general sense. The story is illustrated and written in English, making it accessible and engaging for readers.