The Battle of the Labyrinth
By Rick RiordanPercy Jackson and The Battle of the Labyrinth is the fourth installment in the Percy Jackson series and is written by Rick Riordan. In this book, Percy (despite being the narrator) takes a bit of a backseat in the story and gives the lead to Annabeth, who leads her friends to find the inventor of the mythical Labyrinth when they discover its role in a plan led by Kronos’s army to destroy Camp Half-Blood.