Smart Apple Media,, [2012]
32 pages : illustrations (chiefly color), color maps ; 28 cm.

Smart Apple Media,, [2012]
32 pages : color illustrations, color maps ; 28 cm.

Smart Apple Media,, [2012]
32 pages : color illustrations, color maps ; 28 cm.

Smart Apple Media,, 2011.
32 pages : color illustrations ; 27 cm.

Rosen Pub.,, 2010.
64 pages : illustrations (some color) ; 25 cm.

Puffin Books,, 2010.
244 pages ; 21 cm

Holiday House,, [2000]
1 volume (unpaged) : color illustrations, color map ; 29 cm 1 volume (unpaged) : illustrations ; 29 cm

Raintree Steck-Vaughn,, [1998]
48 pages : color illustrations, color maps ; 28 cm.

Gareth Stevens Pub.,, 1998.
96 pages : color illustrations ; 27 cm.

Raintree Steck-Vaughn,, [1997]
48 pages : color illustrations, color maps ; 28 cm.