Tuck and Billie Holden rescue a trainload of passengers when a lightning storm knocks out a tunnel signal.

In this series, young readers join Tuck and Billie Holden and their Jack Russell terrier Chief as the trio crosses the country from California to New York in on

After the Civil War, the building of the transcontinental railroad was the nineteenth century's most transformative event. Beginning in 1842 with a visionary's

Eisenhower helped shape agricultural policy under Coolidge and Hoover; carried out sensitive war assignments for Franklin Roosevelt; helped Truman with postwar