The Stepsister

by Robert Lawrence Stine

1990 eng ★ 4.2 (13 ratings)

Emily wants to like her stepsister, but it hasn't been easy. As soon as Jessie moves in, she takes over Emily's room, steals Emily's clothes, and lies to everyone. Then Emily picks up Jessie's diary and learns a horrifying secret. Is Jessie really capable of murder? Emily tries to tell her parents…