TY  - BOOK
AU  - Ardley, Neil
TI  - Bridges
T2  - How We Build
SN  - 9780333441633
U1  - 629.23 
PY  - 1999///
CY  - London
PB  - Macmillan
N2  - This series introduces children to the work and problems which face engineers. The books look at the various stages of a major engineering project with emphasis on tackling problems. Children are encouraged to take part in practical experiments which link directly to the basic principles
ER  -