Atheneum Books for Young Readers,, 2014.
120 pages : illustrations ; 20 cm.

Atheneum Books for Young Readers,, 2014.
118 pages : illustrations ; 20 cm.

Atheneum Books for Young Readers,, [2013]
116 pages : illustrations ; 20 cm

Atheneum Books for Young Readers,, 2013.
100 p. : ill. ; 20 cm.

Harper, an imprint of HarperCollinsPublishers,, 2013.
344 pages : illustrations, map ; 22 cm.

Atheneum Books for Young Readers,, 2012.
114 p. : ill. ; 20 cm.

Atheneum Books for Young Readers,, 2012.
102 p. : ill. ; 20 cm.

Razorbill,, c2011.
491 p. ; 22 cm.

Viking,, 2010.
31 p. : col. ill. ; 24 cm.

Viking,, c2009.
32 p. : col. ill. ; 24 cm.