A prince named Jason went on an adventure to find the golden fleece. The current king made him do so to become king because he was greedy.
In his travels to find the fleece, he visited a king and killed the harpies that terrorized him. He also fought two bulls made of bronze that breathed fire and killed people. He went through two rocks that clashed together and destroyed ships. And he married Medea, but awhile after he met another girl that he wanted to marry, and Medea got angry and tried to kill him.
There are a lot of other books that I would rather read, but if you have to pick between Greek myths, then I would choose Jason.