Title of book: Percy Jackson and the Lightning Thief
Author: Rick Riordan
In the beginning Percy Jackson is in a cabin with his mom. Around ten minutes later Grover comes in and says they need to leave. In the middle Percy plays capture the flag. When he defeated a hell-hound he falls in some water and a green trident glows above his head. Now everybody knows he is the son of Poseidon. In the end Percy and Annabeth, oh wait I can't tell you. Read the book to find out what happens next.