Dragon Ball Z, Vol. 1
"The greatest hero on earth is an alien! Five year have passed since the Tenka'ichi Budokai (Strongest Under the Heavens) fighting tournament, where Son Goku defeated the demon king Piccolo and became Earth's ultimate champion. Goku has since settled down with his wife and now has a young boy. All seems peaceful, until a deadly visitor lands on Earth. This alien possesses more power than anyone has ever seen before. He intends to incinerate all life on earth. But first, he has some news for Goku-- he is his older brother! Goku is the the only hope for the human race, but is he strong enough to save Earth?" -- dust jacket leaf.