Abrams Books for Young Readers,, 2011.
72 p. : ill. (chielfy col.) , col. maps ; 32 cm.

Peace Hill Press,, c2001.
334 p. : ill., maps ; 22 cm.

Peace Hill Press,, c2003.
424 p. : ill., maps ; 22 cm.

F. Watts,, 1988.
71 p. : ill. ; 23 cm.

F. Watts,, 1988.
69 p. : ill. ; 23 cm.

Kingfisher,, 2007.
[64] p. : ill. (chiefly col.), maps ; 28 cm.

Kingfisher,, 1995.
160 p. : ill. (some col.), col. maps ; 29 cm.

P. Bedrick Books :, 1985, c1983.
48 p. : col. ill. ; 29 cm.

Sea-to-Sea,, c2007.
32 p. : col. ill. ; 27 cm.

F. Watts,, c1985.
32 p. : col. ill. ; 30 cm.