From the New York Times bestselling author of Before I Go to Sleep, a sensational new psychological thriller about a woman with a secret identity that threatens to destroy her.

How well can you really know another person? How far would you go to find the truth about someone you love?

When Julia learns that her sister has been violently murdered, she must uncover why. But Julia's quest quickly evolves into an alluring

This chilling and intense novel tells the story of a solitary young woman drawn into an online world run by a charismatic web guru who entices her into impersonating a glamorous but desperate woman. Now a series on Netflix.

A sheltered young woman raised by a single mother, Leila often struggled to connect with the girls at school. On an internet community for philosophical and ethical debate, she finally comes into her

Identify theft turns to murder in this "twisting, suspenseful chiller of a book" from the author of Desperate (William Landay, New York Times–bestselling author).

The future looks bright for Boston couple John Bodine and Ruby Dawes. John's online gaming business is growing, and they're planning a family. But when Ruby receives a life-changing diagnosis, and their insurance won't cover her treatment, John