Lippincott, [1967]
155 p. illus., maps. 26 cm.

World Almanac Library,, 2005.
p. : ill. ; cm.

Picture Window Books,, 2008.
32 p. : col. ill., col. maps ; 29 cm.

Children's Press,, 1998.
47 p. : col. ill., maps ; 24 cm.

Grolier,, c1985.
6 v. : col. ill. ; 27 cm.

Grolier,, c1987.
6 v. : col. ill. ; 26 cm. + index.

Children's Press,, c2000.
47 p. : col. ill. ; 22 cm.

Compass Point Books, 2003
48 p hrdcvr; includes bibliographical references and index 22 x 18 cm

Compass Point Books,, c2003.
48 p. : col. ill., map ; 23 cm.

Childrens Press,, c1986.
127 p. : col. ill. ; 25 cm.