Rick Riordan, dubbed "storyteller of the gods" by Publishers Weekly, is the author of five #1 New York Times best-selling middle grade series with millions of copies sold throughout the world: Percy Jackson and the Olympians, The Heroes of Olympus, and the Trials of Apollo, 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 is also the publisher of an imprint at Disney-Hyperion, Rick Riordan Presents, dedicated to finding other authors of highly entertaining fiction based on world cultures and mythologies. He lives in Boston, Massachusetts with his wife and two sons. Follow him on Twitter at @RickRiordan. Robert Venditti is the New York Times best-selling author of The Homeland Directive and The Surrogates, as well as The Surrogates: Flesh and Bone. He also adapted the New York Times best-selling The Lightning Thief, The Graphic Novel; The Sea of Monsters, The Graphic Novel; Titan's Curse, The Graphic Novel and Blue Bloods: The Graphic Novel. In 2012, he launched the critically acclaimed ongoing comic book series X-O Manowar. He lives in Atlanta, Georgia. Learn more at RobertVenditti.com. Antoine Dodé is an award-winning illustrator for his graphic novel work, including Armelle et l'oiseau. He studied illustration in Brussels at St. Luc Institute and has illustrated numerous comics and graphic novels, including the miniseries The Crow, Curare written by James O'Barr. Orpheus Collar is a New York Times best-selling graphic novelist and illustrator. He adapted, illustrated, and colored The Red Pyramid, The Graphic Novel, a New York Times best seller, and The Throne of Fire, The Graphic Novel. He also drew layouts for The Lightning Thief, The Graphic Novel and has contributed his coloring skills to numerous titles, including The Lost Hero, The Graphic Novel; The Amazing Spider-Man and Ultimate X-Men. Orpheus lives in Los Angeles, California. Learn more at Orpheusartist.com.