Kathryn Reiss is an American author of books for children and young adults. Her works span a range of genres, including historical fiction, fantasy, mystery, and science fiction. Reiss has won numerous awards, including the Golden Kite Award, the California Young Reader Medal, and the Society of Children's Book Writers and Illustrators Work-in-Progress Grant. She is a graduate of Stanford University and also holds a Master's degree in Creative Writing from San Francisco State University.