Delacorte, an imprint of Random House Children's Books,, [2016]
289 pages ; 22 cm

Penguin Audio,, p2013.
4 sound discs (approximately 4.5 hours) : digital ; 4 3/4 in.

Alfred A. Knopf,, 2012.
315 p. ; 22 cm.

Viking,, 2012.
296 p. ; 22 cm.

Houghton Mifflin,, [2012]
225 p. ; 22 cm.

Random House,, 2012.
1 v. (unpaged) : chiefly col. ill. ; 24 cm.

Brilliance Audio,, p2011.
7 sound discs (8 hr., 12 mins.) : digital ; 4 3/4 in.

Candlewick Press,, 2010.
185 p. ; 19 cm.

Harper,, c2010.
214 p. : ill. ; 22 cm.

Scholastic Press,, 2009.
254 p. ; 22 cm.