Author and Book Background
Lois Duncan is an American author known for young adult thrillers and mysteries. Her novel I Know What You Did Last Summer was published in 1973 by Little, Brown and Company, a subsidiary of Hachette Book Group. The book follows four teenagers who cover up a fatal accident and receive anonymous threats. It became a staple of 1970s young adult fiction and is frequently cited in lists of influential YA suspense novels. The work is cataloged by the Library of Congress and referenced in publishing industry databases.
The novel helped define the teen thriller genre and was later adapted into a major motion picture. Duncan continued writing through the 2000s and received the Edgar Award from the Mystery Writers of America for her contributions to the genre. Her books remain in print and are held in school and public libraries across the United States. Publishers regularly list I Know What You Did Last Summer as a recommended title for teen readers.
Film Adaptation and Production Details
1997 Movie Release
The film I Know What You Did Last Summer was released in 1997 by Columbia Pictures, a Sony Pictures Entertainment subsidiary. It starred Sarah Michelle Gellar, Ryan Phillippe, and Freddie Prinze Jr. The screenplay was written by Kevin Williamson, who later created the TV series Dawson's Creek. The movie grossed over $125 million worldwide, according to Box Office Mojo. It was rated PG-13 by the MPA and became a commercial hit in the summer season.
The production was handled by Mandalay Pictures and distributed by Sony Pictures Releasing. The film spawned a sequel in 1998 and a television series in 2021 produced by Amazon Studios. The 1997 movie is frequently referenced in discussions of late-1990s slasher films and teen horror adaptations. It remains a notable entry in the slasher genre and is listed in film databases such as IMDb and The Numbers.
Rights, Adaptations, and Current Status
Publishing and Licensing
The book is published in paperback and digital formats by Little, Brown Books for Young Readers, an imprint of Hachette Book Group. E-book and audiobook versions are available through major platforms including Amazon Kindle and Audible. The work is licensed for educational use in many school districts and appears on summer reading lists. Libraries catalog the title under young adult fiction and horror suspense categories.
Television and film rights have changed hands multiple times. The 2021 Amazon Prime series was developed by Sara Goodman and produced by Amazon Studios. The series updated the story for a modern audience and added new characters while keeping the core premise. Streaming data from JustWatch and Reelgood shows the series is available in multiple regions. The franchise continues to generate interest among new audiences through digital platforms.