Seventeen-year-old Jill is a fairly normal high school senior whose focus is on getting a certain boy to ask her to prom, but four days a month she transforms into surly Jack who decides it is time he had his own life and a chance with the girl he wants.
- ISBN10 1299059430
- ISBN13 9781299059436
- Publish Date 1 January 2008
- Publish Status Active
- Out of Print 25 February 2015
- Publish Country US
- Imprint Random House Books for Young Readers
- Format eBook
- Language English