In the book “Percy Jackson & The Olympians: The Lightning Thief,” Percy Jackson had just gotten to the top of half-blood hill with his mother and best friend Grover, who actually turned out to be a satyr. They were exhausted from running because they were being chased by a monster. Somehow the monsters grabbed Percy’s mom and then all a sudden his mom turned into a blast of light and disappeared.
Luckily, Percy and his friend Grover got away into Camp Half-Blood where he was claimed by his father, Poseidon. Percy meets Annabeth, the daughter of Athena, and Luke, son of Hermes. They found out that Zeus’s master bolt was stolen and they blame Percy.
Percy and his friends go on a quest to find the bolt and prove his innocence. They end up going to the underworld to confront Hades and Percy has a huge battle with Ares.
To find out how this adventure ends, you will need to read “The Lightning Thief” by Rick Riordan. If you like it, you can check out the other books in this series.