316 pages hardcover 2009

fiction middle grade science fiction adventurous funny lighthearted fast-paced

246 pages hardcover 2010

fiction middle grade science fiction adventurous funny lighthearted fast-paced

249 pages hardcover 2011

fiction middle grade science fiction adventurous lighthearted fast-paced

304 pages paperback 2012

fiction middle grade science fiction adventurous fast-paced

302 pages paperback 2013

fiction middle grade science fiction adventurous lighthearted fast-paced