30 pictures of big vehicles doing powerful work come to life with the help of crayons. Trucks and forklifts move heavy materials; mighty drills dig deep holes while dump trucks, cement mixers, cranes, wrecking balls, and other fascinating machines do their jobs. Paperback book measures 8 1/4 inch x 11 in., 32 pages. Dover Publications, 2004. ISBN 0486436616
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