The Likeness (2008) is the 2nd novel by Tana French which includes the character of Cassie Maddox. The story is narrated by Cassie who was raised in kinship care after her parents were killed in a car accident when she was 5.

Cassie takes on an undercover job investigating a home in which 5 young university students have been living as a family. 2 of the men are estranged from their families, 1 is an orphan. The 4th resident is a woman who grew up in foster care.

The 5th young person, another woman, has been killed. This story, along with In The Woods, was adapted for the 2019 television series, Dublin Murders.