Lois Duncan

Lois Duncan Steinmetz was an American author renowned for her young adult novels, particularly crime thrillers.

Born in Philadelphia and raised in Florida, she began writing at a young age.

Duncan's career spanned decades, during which she published numerous articles and books.

Her works often sparked controversy due to their mature themes.

Several of her novels were adapted into films, including the popular "I Know What You Did Last Summer." Duncan's life took a tragic turn when her daughter was murdered in 1989, leading her to write non-fiction books about the unsolved case.

She continued writing until her death, with her last novel being adapted for film in 2016.