Get an inside look at the big, noisy, dirty world of construction sites! Dozers, diggers, excavators and more are put to work in this photographic and informative book. This encyclopedic journey through different types of construction sites shows kids the hard working machines and people that come together to build houses, schools, skyscrapers, and cities.More than 100 bright photos, easy-to-read text, and a pull-out poster will keep kids entertained and enthralled for hours.