Rick Riordan is also the author of the New York Times #1 best-selling Percy Jackson and the Olympians series: Book One: The Lightning Thief; Book Two: The Sea of Monsters; Book Three: The TitanAAA1/2s Curse; Book Four: The Battle of the Labyrinth; and Book Five: The Last Olympian. He lives in San Antonio, Texas, with his wife and two sons.