"When there is a traffic jam on the Tinyville Town bridge, the residents decide to work together to build a new one"--

Robert and his friend Charlie are proud of their fathers, who are working on the construction of San Francisco's Golden Gate Bridge.

"On a warm spring day in 1883, a woman rode across the Brooklyn Bridge with a rooster on her lap. It was the first trip across an engineering marvel that had taken nearly fourteen years to construct. The woman's husband was the chief engineer, and he knew all about the dangerous new technique involved. The woman insisted she learn as well. When he fell ill mid-construction, her knowledge came in handy. She supervised every aspect of the project while...