Presents information on how bridges are built, their history and various types, and gives specific examples of important bridges in North America.

Why this shape and not that? Why steel instead of concrete or stone? Why put it here and not over there? These are the kinds of questions that David Macaulay asks himself when he observes an architectural wonder. These questions take him back to the basic process of design from which all structures begin, from the realization of a need for the structure to the struggles of the engineers and designers to map out and create the final construction. As only he can, David Macaulay engages readers' imaginations and gets them thinking about structures they see and use every day -- bridges, tunnels, skyscrapers, domes, and dams. In Building Big he focuses on the connections between the planning and design problems and the solutions that are finally reached. Whether a structure is imposing or inspiring, he shows us that common sense and logic play just as important a part in architecture as imagination and technology do. As always, Macaulay inspires readers of all ages to look at their world in a new way.

The Golden Gate Bridge. The impossible bridge, some call it. They say it can't be built. But Robert's fatheris building it. He's a skywalker--a brave, high-climbing ironworker. Robert is convinced his pop has the most important job on the crew . . . until a frightening event makes him see that it takes an entire team to accomplish the impossible. When it was completed in 1937, San Francisco's Golden Gate Bridge was hailed as an international marvel. Eve Bunting's riveting story salutes the ingenuity and courage of every person who helped raise this majestic American icon. Includes an author's note about the construction of the Golden Gate Bridge.