The twelfth novel in the #1 New York Times bestselling series about Westchester County's most exclusive private middle school girls.
- ISBN10 0316006831
- ISBN13 9780316006835
- Publish Date 9 March 2010 (first published 1 January 2010)
- Publish Status Active
- Publish Country US
- Publisher Little, Brown & Company
- Imprint Poppy
- Format Paperback
- Pages 256
- Language English