Title: The case of the mall mystery
Description: Sisters Mary-Kate and Ashley are hired by their friend Patty to find her mother's diamond pin that was stolen at the mall.
Subjects: Detective and mystery stories, Twins, Robbers and outlaws, Juvenile fiction, Mystery and detective stories, Fiction, Jewelry, Shopping malls, Children's fiction
People: Ashley Olsen (1986-), Mary-Kate Olsen (1986-)