This is such a legendary manga. The story is about Songoku, a brave boy who went all the way to collect Dragon Balls. They are 7 balls with each of has star shape. Ball number 1 has 1 star shape inside it, and so on. Songoku only wants the ball with 4 stars, because it belongs to his grandfather. But, the struggle for collecting them is so hard. He ends up by collecting all of them.
The story begins when Songoku only kid, and it ends when his grandchild reach the same age as he was. He’s dead, but still able to go to earth, thanks to his good connection with Gods.
It totally has 42 volumes. This is what makes Akira Toriyama famous!!!