Sarah Jean Horwitz Sarah Jean Horwitz is the author of the middle grade steampunk fantasy series Carmer and Grit—The Wingsnatchers (Algonquin Young Readers, 2017) and The Crooked Castle (Algonquin Young Readers, 2018)—as well as the standalone middle grade novel The Dark Lord Clementine (Algonquin Young Readers, 2019). The Wingsnatchers was a Spring 2017 Kids' Indie Next List pick and a Junior Library Guild Selection. The Dark Lord Clementine was a September 2019 Amazon.com Best Book of the Month and received favorable reviews from the New York Times Book Review, School Library Journal, Publishers Weekly, Booklist, and more.

Sarah has a B.A. in Visual & Media Arts with a concentration in writing for film and TV from Emerson College. She currently works as an administrative assistant and lives with her spouse near Cambridge, MA.