The Heroes of Olympus, Book Three: The Mark of Athena: The Graphic Novel (Hardcover) (ISBN-13: 9781368081726)

Rick Riordan (he/him), 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, including Percy Jackson and the Olympians, The Heroes of Olympus, and the Trials of Apollo, all based on Greek and Roman mythology. He is currently executive producing an adaptation of Percy Jackson for Disney+. His latest novel is The Sun and the Star: A Nico di Angelo Adventure, co-written with award-winning author Mark Oshiro. 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 a New York Times best-selling author whose characters and concepts have been adapted to film, television, and video games. He has written the monthly comic book series "Green Lantern," "Superman '78," and "Justice League" for DC Comics, "X-O Manowar" and "Wrath of the Eternal Warrior" for Valiant Entertainment, and the children's novel series Miles Taylor and the Golden Cape. He has also adapted Rick Riordan's Percy Jackson and Heroes of Olympus graphic novels. He lives in Atlanta, Georgia and can be found on Twitter @robertvenditti.

Orpheus Collar is a New York Times best-selling graphic novelist. He adapted the Kane Chronicles graphic novel series, which includes The Red Pyramid, The Throne of Fire, and The Serpent's Shadow. Orpheus also contributed art to the Percy Jackson and the Olympians series on The Lightning Thief, Battle of the Labyrinth, and The Last Olympian graphic novels and colored The Lost Hero, The Graphic Novel, and The Son of Neptune, The Graphic Novel. Orpheus lives in Los Angeles, California. Learn more at Orpheusartist.com.