Title: The case of the unicorn mystery
Description: When Casey Bailey is accused of cheating at the big Easter egg race in the park, Mary-Kate and Ashley are on the case to prove her innocence. The only problem is that all the clues point to Casey!
Subjects: Juvenile fiction, Unicorns, Fiction, Unicorns, Movie Tie - In, Fiction, Juvenile Fiction, Children's Books/Ages 9-12 Fiction, Children: Grades 2-3, Mystery and detective stories, Media Tie-In, Juvenile Fiction / Movie or Television Tie-In, Flower shows, Children's All Ages - Fiction - General, Children's fiction, Sisters, fiction, Adventure and adventurers, fiction
People: Ashley Olsen (1986-), Mary-Kate Olsen (1986-)