Discovery is something that did not exist before. It took Swan twenty years to invent the lamp. Pascal invented the first calculator when he was just 19 years old. Edison developed 1,300 inventions in his long life. Each inventor has his own story, but everyone has one thing in common: the ability to recognize an extraordinary phenomenon... The book introduces young readers to the history of inventions of many modern things, famous inventors and scientists, interesting facts of discoveries. The book has many colorful illustrations.