This is book 4 in Gallagher Girls .

This book has been graded for interest at 11-15 years.

There are 288 pages in this book. This book was published 2016 by Disney-Hyperion .

Ally Carter is is the author of two adult books and the phenomenally successful GALLAGHER GIRLS and HEIST SOCIETY series. She loved school so much she kept going. and going. and going. until finally she had to graduate. She has degrees from Oklahoma State University and Cornell University. Check out her website: allycarter. com