On the first full moon after her birthday, Brittany's greatest fear is realized--she doesn't transform into a wolf--so she desperately goes to extremes to become a wolf and as a result, puts all the Dark Guardians in incredible danger. 40,000 first printing. Original.
- Genre: Juvenile Fiction
- Subgenre: Science Fiction + Fantasy + Magic, Social Issues / Dating + Sex, General
- Age: Teen
- Publisher: HarperTeen
- Pages: 262
- Language: English
- Format: paperback
- Release Date: September 1, 2009
- Date Published: September 1, 2009
- Author: Rachel Hawthorne, Jan Nowasky