When Steve Jobs died in 2011, the world mourned the passing of one of the most influential inventors and business leaders in history. Readers will learn about Jobs' incredible life and get a close look at some of his most important innovations, from the Apple II and Macintosh computers to the iPod and the iPhone.

Josh Gregory is the author of more than 250 books for young readers, covering everything from U.S. history to technology and video games. He is from Chicago, Illinois.