Singer, a science writer for Sandia National Laboratories in Albuquerque, introduces young readers to what fusion is – and isn't. He explains the ways scientists have approached and developed fusion and discusses its advantages over other forms of energy production. For example, inside an encapsulated space at Sandia, scientists test the Z Machine, a pulsed power structure that uses electricity and magnetism to produce nuclear fusion. Although much of the research has focused on the development of nuclear weaponry, the Z Machine may also help scientists find a way to harness fusion energy in order to provide clean, renewable energy to the world's growing population. “My day job for the last 15 years has been at Sandia, where I watched, interviewed, and wrote about Z Machine researchers as they lifted Z by its bootstraps into fusion,” Singer said. “I've also been at other sites at Sandia where work on ITER (in France) and the National Ignition Facility (in California) is progressing. So I've had an inside view on development of these machines, which I drew on to write the book.”