Bridges! : amazing structures to design, build & test /
Carol A. Johmann and Elizabeth J. Rieth ; illustrations by Michael Kline.
- Charlotte, VT : Williamson, c1999.
- 96 p. : col. ill. ; 26 cm.
"A Williamson Kaleidoscope Kids book"
Describes different kinds of bridges, their history, design, construction, and effects on populations, environmental dilemmas, and safety records .