Rick Riordan is the author of "Heroes of Olympus" series, "The Kane Chronicles" series, as well as all the books in the #1 "New York Times" best-selling "Percy Jackson and the Olympians" series: "The Lightning Thief," "The Sea of Monsters," "The Titan's Curse," "The Battle of the Labyrinth," and "The Last Olympian." His previous novels for adults include the hugely popular "Tres Navarre" series, winner of the top three awards in the mystery genre. He lives in San Antonio, Texas, with his wife and two sons.