Fourteen-year-old Eleanor "Peewee" McGrath, a tomboy and automobile enthusiast, discovers new possibilities for her future after the 1914 arrival in her small Indiana town of four young librarians.

A spy causes trouble between the cars. Can they restore their friendship?

"As war clouds loom overseas, auto racers from around the world gather at the Bonneville Salt Flats east of Salt Lake City, intent on breaking the land speed record. When Nigel Underhill, a wealthy English motorist, is found dead and his brother Clive disappears, Art Oveson of the Salt Lake City Missing Persons' Bureau is called to investigate. The Underhill family has hired a former Scotland Yard detective to assist in the search, and he and Oveson...

Ace has built her own go-kart, but when she is ready for a test run it will not start, and she has to figure out what part is missing--and then in the middle of the race something else goes wrong.

Buster, a rescued race car, worries about everything, but with help from his new team, he learns the secret to overcoming his nervous rumblies.