Galileo"s revolutionary scientific work brought him into conflict with the authorities of his time, but earned him an honoured place in the history books. He swept away old notions of the universe by observing the skies through a telescope and confirming that the Earth and planets travel round the Sun. Other titles in the series: Amelia Earhart, Alexander the Great, Captain Cook, Cleopatra, Eric the Red, Gandhi, Hans Christian Andersen, Henry Ford, Roald Dahl, Thomas Edison and William Shakespeare.