Rick Riordan, dubbed "storyteller of the gods" by Publishers Weekly, is the author of five New York Times #1 best-selling series, including Percy Jackson and the Olympians, which brings Greek mythology to life for contemporary readers. His most recent novels are The Sun and the Star: A Nico di Angelo Adventure, cowritten with Mark Oshiro, and Percy Jackson and the Olympians: The Chalice of the Gods. The goal of his imprint, Rick Riordan Presents, is to publish highly entertaining books by authors from underrepresented cultures and backgrounds, to allow them to tell their own stories inspired by the mythology, folklore, and culture of their heritage. Follow Rick's news on RickRiordan.com.

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.

Gabriela Sherrell is a multidisciplinary illustrator born and raised in the Pacific Northwest. She holds a BFA in Illustration, and her practice centers on bold mark-making and playful textures. Her previous work spans the gaming and animation industries. Gabriela spends most of her time reading, rock climbing, and enjoying life in Portland, Oregon, with her husband and cat. For her, the best days involve pen and paper, lots of laughter, and extremely loud music. You can find more of her work at www.gabrielasherrell.com