Dragon Ball Full Color Saiyan Arc, Vol. 1 by Akira Toriyama

[Viz] 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! 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 mu