MARK SIEGEL has written and illustrated several award-winning picture books and graphic novels, including the New York Times bestseller Sailor Twain and Oskar and the Eight Blessings. He is also the founder and editorial director of First Second Books. He lives with his family in New York.
Books:5 Worlds Book 2: The Cobalt Prince, May 2018
5 Worlds Book 1: The Sand Warrior, May 2017