Rick Riordan is the author of all the books in the New York Times #1 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 other novels for children include the New York Times #1 best-selling series The Kane Chronicles (The Red Pyramid, The Throne of Fire, and The Serpent's Shadow) and The Heroes of Olympus (The Lost Hero, The Son of Neptune, The Mark of Athena, and The House of Hades). He lives in Boston, Massachusetts with his wife and two sons. Learn more at RickRiordan.com. 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; 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. Visit his Web site at RobertVenditti.com. Orpheus Collar is a storyboard artist and illustrator who received his BFA from the Maryland Institute of Art. He has contributed his coloring skills to numerous titles, including The Amazing Spider-Man and Ultimate X-Men. Orpheus also provided the storyboards for The Lightning Thief, The Graphic Novel, and adapted and illustrated The Red Pyramid, The Graphic Novel. Orpheus lives in Los Angeles, California. Learn more at Orpheusartist.com. Nate Powell is a New York Times best-selling comic book artist/writer. He began self-publishing at age 14, and graduated from School of Visual Arts in 2000. His work includes the critically acclaimed Any Empire, Swallow Me Whole (Eisner Award winner for Best Graphic Novel, Los Angeles Times Book Prize finalist, and Ignatz Award winner), The Silence Of Our Friends, The Year Of The Beasts, and Sounds Of Your Name. He lives in Bloomington, Indiana with his wife and daughter. Visit him at seemybrotherdance.blogspot.com.