Meet Nikola Tesla, the genius engineer and tireless inventor whose technology revolutionized the electrical age of the 20th century. Although eclipsed in fame by Edison and Marconi, it was Tesla's vision that paved the way for today's wireless world.

Both Thomas Edison and Henry Ford started off as insatiably curious tinkerers. Their curiosity led them to become inventors, but with very different results. As Edison invented hit after commercial hit, gaining fame and fortune, Henry struggled to make a single invention (an affordable car) work. Witnessing Thomas's glorious career from afar, a frustrated Henry wondered about the secret to his success. This little-known story is a fresh, kid-friendly...

Galileo was the extraordinary astronomer and inventor who re-discovered that the Earth travels around the sun, at the risk of his reputation and freedom. For refusing to support a false view of the Universe, he spent the last eight years of his life under house arrest.