Rick Riordan (www.readriordan.com) is the author of three # 1 New York Times best-selling series with millions of copies sold throughout the world: Percy Jackson and the Olympians, based on Greek mythology; the Kane Chronicles, based on Ancient Egyptian mythology; and the Heroes of Olympus, based on Greek and Roman mythology. His illustrated Greek myth collections, Percy Jackson's Greek Godsand Percy Jackson's Greek Heroes, were #1 New York Times bestsellers as well. The first book in his Magnus Chase and the Gods of Asgard trilogy, based on Norse mythology, was released on October 6, 2015. Rick's previous novels for adults include the hugely popular Tres Navarre series, winner of the top three awards in the mystery genre. He lives in Boston, Massachusetts with his wife and two sons. Follow him on Twitter at @camphalfblood.