Long, Long, AgoBook - 2005
Describes the basic science principles and the history behind many inventions including the spearhead, the wheel, the earth ramp, the plow, a shadoof, the raft, a bridge, and paint. Includes hands-on problem solving and make-and-do projects.
Publisher: Minneapolis, MN Picture Window Books 2005
Edition: 1st American ed
Characteristics: 48 p. col. ill. 29 cm