Oxford University Press,, [2003]
256 pages : illustrations (some color), color map ; 29 cm

Scholastic,, [2002]
118 pages ; 20 cm.

Compass Point Books,, [2001]
48 pages : illustrations (some color) ; 24 cm.

Apple Pbk./Scholastic,, [1996]
xii, 156 pages ; 21 cm