Molly Knox Ostertag Molly Knox Ostertag is the acclaimed ABA Indie and New York Times bestselling graphic novel author-illustrator of The Girl from the Sea and the Witch Boy trilogy: The Witch Boy, The Hidden Witch, and The Midwinter Witch, as well as a writer for animation. A graduate of the School of Visual Arts, Molly was featured in the Forbes 30 Under 30: Media list in 2020. She's married to fellow writer and artist ND Stevenson, and they live in Los Angeles with two cats and a very cuddly dog. You can find her online at mollyostertag.com.