New Adventures of Mary-Kate & Ashley #28: The Case of the Mall Mystery 
Subtitle: (The Case of the Mall Mystery) (New Adventures of Mary-Kate and Ashley)
Publisher: HarperEntertainment
Published: 2002
Language: eng
Format: Paperback
Number of pages: 96
ISBN-13: 9780061066504
Subjects: Twins; Mystery and detective stories; Juvenile Fiction; Mysteries, Espionage, & Detective Stories; Robbers and outlaws; Children: Grades 2-3; Juvenile Fiction / Movie or Television Tie-In; Fiction; Movie Tie - In; Children's 9-12 - Fiction - General
First sentence: "Patty, what are you doing in there?"