Rick Riordan, dubbed "storyteller of the gods" by Publishers Weekly, is the author of four #1 New York Times best-selling middle grade series with more than 50 million copies sold in the US: Percy Jackson and the Olympians and The Heroes of Olympus, based on Greek and Roman mythology; the Kane Chronicles, based on Ancient Egyptian mythology; and Magnus Chase and the Gods of Asgard, based on Norse mythology. Rick collaborated with illustrator John Rocco on two #1 New York Times best-selling collections of Greek myths for the whole family: Percy Jackson's Greek Gods and Percy Jackson's Greek Heroes. Rick lives in Boston, Massachusetts with his wife and two sons. Follow him on Twitter at @camphalfblood.