Cherry Lake Pub.,, [2013]
48 pages : color illustrations, map ; 25 cm.

St. Martin's Griffin,, 2013.
vii, 433 pages ; 21 cm.

Cherry Lake Pub.,, [2012]
48 pages : color illustrations, color maps ; 25 cm.

Cherry Lake Pub.,, [2012]
48 pages : illustrations (some color), color maps ; 25 cm.

Cherry Lake Pub.,, [2011]
48 pages : color illustrations ; 25 cm.

Kingfisher,, [2011]
32 pages : illustrations (some color) ; 28 cm.

Philomel Books,, [2009]
244 pages ; 24 cm

Simon Pulse,, [2008]
196 pages : illustrations ; 18 cm.

ABDO Pub. Co.,, [2008]
40 pages : color illustrations, color maps ; 21 cm.

ABDO Pub. Co.,, [2008]
40 pages : color illustrations, color maps ; 21 cm.