What on Earth Books,, 2021.
58 pages : color illustrations, color map ; 29 cm

Frances Lincoln Children's Books,, 2013.
1 v. (unpaged) : col. ill. ; 26 cm.

Houghton Mifflin Harcourt,, c2012.
154 p. : ill. (chiefly col.) ; 25 cm.

Candlewick Press,, 2011.
1 v. (unpaged) : col. ill., map ; 28 cm.

National Geographic,, 2010.
64 p. : ill. (chifly col.) ; 29 cm.

Blue Apple Books,, 2010.
1 v. (unpaged) : col. ill. 24 cm.

,
72 p. : illustrations (chiefly color) ; 29 cm. + 1 CD-ROM (4 3/4 in.)

Houghton Mifflin Harcourt,, 2009.
1 v.(unpaged) : col. ill. ; 24 x 29 cm.

DK Pub.,, 2008.
72 p. : col. ill., col. map ; 29 cm. + 1 CD-ROM (4 3/4 in.).

Walker & Company :, 2008.
48 p. : col. ill., col. map ; 31 cm.