Laura Ruby is the author of books for adults, teens, and children, including the Michael L. Printz Medal winner and National Book Award finalist Bone Gap, the Edgar Award nominee Lily's Ghosts, the Book Sense Pick Good Girls, and York: The Shadow Cipher, the first book in the York trilogy. She is on the faculty of Hamline University's MFA in writing for children and young adults program and lives in the Chicago area. You can visit her online at www.lauraruby.com.