S&S/Saga Press, February 2012
Simon & Schuster Books for Young Readers, March 2010
Simon & Schuster Books for Young Readers, July 2008
HarperCollins, June 2011
HarperCollins, June 2012
Simon & Schuster Books for Young Readers, March 2013
Turtleback Books, July 2015
Margaret K. McElderry Books, October 2006
Margaret K. McElderry Books, May 2008
Turtleback Books, July 2017