The sea of Monsters

This book is about a Demigod named Percy(Demigod means that means that you were born from a woman or man and then your father or mother is a God or Goddess)and he has to go on a adventure with his brother who happens to be a cyclops and his other friend Annebeth To retrieve their friend a Satyr who is being held captive to be married by a Cyclops named Polyphemus,they are going to the sea of monsters which is where their friend is located and they are also to get the golden fleece to save the poisoned camp tree that protects all the demigods at the camp that they go to.