National Geographic,, [2007]
61 pages : illustrations (some color), color maps ; 27 cm

Rosen Central Primary Source,, 2006.
64 pages : illustrations (some color), maps (some color) ; 27 cm.

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

Aladdin Paperbacks,, 2002.
251 pages ; 20 cm

Pleasant Company Publications,, [1999]
58 pages : illustrations (some color), 1 map ; 27 x 31 cm

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

Houghton Mifflin Co.,, [1996]
127 pages : illustrations ; 23 cm

Dillon Press ;, [1993]
70 pages : illustrations (some color), 1 color map ; 23 cm.