World Book,, c2001.
2 v. ; 29 cm.

Random House,, c2008.
184 p. : ill ; 28 cm.

Harcourt Brace & Co.,, c1998.
96 p. : col. ill. ; 28 cm.

Quirk Books,, 2014.
215 pages : color illustrations ; 21 cm

National Geographic,, [2021]
224 pages : chiefly color illustrations, portraits ; 29 cm

DK Pub.,, 2009.
72 p. : ill. (chiefly col.), ports. ; 29 cm. + 1 CD-ROM (digital ; 4 3/4 in. ) + 1 wall chart ( 58 x 80 cm.).

Charlesbridge Pub.,, 2012.
96 p. : ill. (chiefly col.) ; 26 cm.

Philomel Books,, c2008.
56 p. ; 29 cm.

Disney*Hyperion,, 2013.
pages cm

Dutton Children's Books,, c2005.
unp. ; 29cm.