I Know What You Did Last Summer

Julie James , a high school senior, is thrilled to receive her acceptance letter to Smith College. However, her excitement is overshadowed by a mysterious note that reads, "I KNOW WHAT YOU DID LAST SUMMER." This cryptic message sends a chill down her spine, reminding her of a dark secret she shares with her friends. The note is a stark reminder of a hit-and-run accident they were involved in the previous summer, which resulted in the death of a young boy. Julie's life, once filled with cheerleading and social events, has become a shadow of its former self, as she is haunted by guilt and fear o

Theme 1: Ominous Letter Arrives

This thread running through I Know What You Did Last Summer gives the story its emotional weight. Lois Duncan weaves it into the narrative with skill, ensuring that the reader feels the stakes as deeply as the characters do.

Theme 2: Secrets and Suspicion

This thread running through I Know What You Did Last Summer gives the story its emotional weight. Lois Duncan weaves it into the narrative with skill, ensuring that the reader feels the stakes as deeply as the characters do.

Theme 3: Unraveling Friendships

This thread running through I Know What You Did Last Summer gives the story its emotional weight. Lois Duncan weaves it into the narrative with skill, ensuring that the reader feels the stakes as deeply as the characters do.

What Readers Say About I Know What You Did Last Summer

I Know What You Did Last Summer has resonated with readers for its emotional honesty and vivid storytelling. Many describe finishing it in a single sitting — drawn forward by Lois Duncan's prose and an almost desperate need to know how it ends.

A Passage Worth Sitting With

"Ominous Letter Arrives" — Lois Duncan, I Know What You Did Last Summer

About the Author

Lois Duncan is the author of I Know What You Did Last Summer. Known for emotionally resonant storytelling, their work has found devoted readers across the globe.