Definition: In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Input: The novel charts the adventures of modern-day twelve-year-old Percy Jackson as he discovers he is a demigod, the son of a mortal woman and the Greek god Poseidon. Percy and his friends Annabeth Chase and Grover Underwood go on a quest to find Zeus' stolen lightning bolt and prevent a war between the gods Zeus, Poseidon, and Hades.
Output:
what is the book percy jackson and the lightning thief about