Keene, Carolyn Secret sabotage / Carolyn Keene - 137 pages When Lexi Claremont discovers that someone has started a cruel blog about her and her friends, and then she starts getting threatening notes about her role in the upcoming River Heights Mahoney Celebration, Nancy investigates. ISBN: 9781416990697 Subjects--Topical Terms: Children's stories Index Terms--Genre/Form: Detective and mystery fiction Dewey Class. No.: Fic