"Curious readers want to know how things work. Easy-to-understand text explains how electricity travels from power plants to homes and describes the role of the community workers who make it all possible"--From the publisher's web site.
"In 1903 the Wright brothers Flyer flew for just 12 seconds. What were other early airplanes like and who made them? Read about the first all metal plane, the first jet plane, the first jumbo jet, and more"--Provided by the publisher.