MarcyKate Connolly is a New York Times bestselling children’s book author who lives in New England with her family and a grumble of short-nosed dogs. She can be lured out from her writing cave with the promise of caffeine and new books. marcykate.com
Kathryn Holmes is the author of multiple books for kids and teens, but The Thirteenth Circle is her middle-grade debut. Kathryn grew up in Maryville, Tennessee, and now lives in Brooklyn, New York, with her husband, daughter, and piles upon piles of books. kathrynholmes.com