Meet NASA inventor Philip Lubin! He's here to introduce readers to interstellar travel. Alongside Philip, readers will learn about his work on building lightsailing probes that can visit distant stars. They'll learn about stars, Proxima Centauri, solar sails, and laser power. Students will learn about the process of technological design and the importance of space exploration. The Inventor Feature at the back of the book encourages readers to create their own inventions. For more information about interesting space inventions, check out other titles in the Out of This World series!