Akira Toriyama's original, best-selling series now in a full-color version!Son Goku is the greatest hero on Earth. Five years after defeating the demon king Piccolo, he?s grown up and has a family. But what is the real reason for Goku?s incredible strength? A visitor from outer space arrives bearing terrible news?Goku is an alien, and the visitor, Raditz, is Goku?s brother! When Raditz turns out to be a ruthless killer, Goku must fight his incredibly strong brother to save his family and the entire human race. A surprising alliance may be Earth?s last hope: Goku will team up with his old enemy Piccolo to save the world!