You Know What You Did - Paperback

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by K. T. Nguyen (Author)

In this heart-pounding debut thriller for fans of Lisa Jewell and Celeste Ng, a first-generation Vietnamese American artist must confront nightmares past and present. . . .

Annie "Anh Le" Shaw grew up poor, but seems to have it all now: a dream career, a stunning home, and a devoted husband and daughter. When Annie's mother, a Vietnam War refugee, dies suddenly one night, Annie's carefully curated life begins to unravel. Her obsessive-compulsive disorder, which she thought she'd vanquished years ago, comes roaring back--but this time, the disturbing fixations swirling around in Annie's brain might actually be coming true.

A prominent art patron disappears, and the investigation zeroes in on Annie. Spiraling with self-doubt, she distances herself from her family and friends, only to wake up in a hotel room--naked, next to a lifeless body. The police have more questions, but with her mind increasingly fractured, Annie doesn't have answers. All she knows is this: She will do anything to protect her daughter--even if it means losing herself.

With dizzying twists, You Know What You Did is both a harrowing thriller and a heartfelt exploration of the refugee experience, the legacies we leave for our children, and the unbreakable bonds between mothers and daughters.

Author Biography

K.T. Nguyen is a former Glamour magazine editor. Her debut novel You Know What You Did received the Agatha Award for Best First Mystery. The Seattle Times called it "a swirly, tangled hair-raiser...as sinister as it is emotional." It was selected as a People Magazine Best Book of April 2024 and named a Best Mystery and Thriller Book of 2024 by Elle, Parade, and Deadly Pleasures Mystery Magazine.

K.T. enjoys practicing Krav Maga, rooting for the Mets, and playing with her Jack Russell Terrier Alice. A graduate of Brown University, she lives just outside Washington, D.C. with her family.

Number of Pages: 384

Dimensions: 0.86 x 9 x 6 IN

Publication Date: April 28, 2026