Kathryn Holmes is the author of the Class Critters chapter book series and is the co-author (with MarcyKate Connolly) of the forthcoming middle-grade novel The Thirteenth Circle. She has also published two young adult novels. Kathryn grew up in Maryville, Tennessee, and now lives in Brooklyn, New York, with her husband, daughter, and piles upon piles of books. A graduate of The New School's MFA in Creative Writing program, she works as a freelance dance journalist, among other writing gigs.