A biography of Benjamin Franklin, discussing his various careers in colonial America, including printing and inventing, and examining his role in the American Revolution.
Roger's friend Kenneth uses an unusual sea vehicle of his own design to take them to an underwater cave, where a cache of old loot gathered by the mermaids turns out to contain a lot of very valuable old baseball cards.
Presents a biography of Clarence Birdseye, whose fast-freezing techniques revolutionized food storage and the easy delivery of pre-packaged meals. Includes black-and-white illustrations.
Presents the life and career of the computer industry visionary, from his early life and creation of Apple Computer at the age of twenty to his accomplishments in technology and design.
Thanks to their magical book, Fred, Sam, and Joe inadvertently travel through time to 1877 New York City, where they and their great-granddaughters, who have also come from the future, help them find a way back to their own time.
Profiles the life and work of Philo T. Farnsworth, the inventor of the first completely electronic television, and discusses how his inventions changed the world.
Profiles the life and work of Alexander Graham Bell, describing his personal life, experiments, inventions, and how the telephone changed the world; and including related Web addresses and suggestions for further reading.
