This summary provides an overview of the Percy Jackson and the Lightning Thief book in 3 sentences: The book follows Percy Jackson and his friends Annabeth Chase and Grover Underwood as they go on an epic adventure involving Greek mythology while Zeus accuses Percy of stealing his lightning bolt. Percy claims he is innocent but must find the lightning bolt to prove it to Zeus. The document encourages readers to learn more about Percy's quest by reading Rick Riordan's Percy Jackson and the Lightning Thief.