Henry Holt,, 2006.
32 pages : illustrations ; 29 cm

National Geographic Society,, [2005]
108 pages : illustrations (some color), color maps ; 26 cm.

Dutton Childrens Books,, [2005]
243 pages ; 22 cm

Capstone Press,, [2004]
48 pages : illustrations (some color), color map ; 24 cm.

Compass Point Books,, [2004]
48 pages : illustrations (chiefly color), color map ; 24 cm.

Holiday House,, [2004]
32 pages : color illustrations ; 29 cm

Clarion Books,, [2003]
165 pages : illustrations, maps ; 26 cm

Rourke Book Co.,, [2000]
24 pages : color illustrations ; 19 x 20 cm.

Scholastic,, [1998]
184 pages : illustrations, maps ; 20 cm.

Chelsea House,, [1998]
112 pages : illustrations ; 24 cm.