Leigh graduated from the University of Hull in 1998 with a first in graphic design. She went on to study Animation Direction at the National Film and Television School where she made two short animated films, Excess Baggage and Novelty. Novelty toured the world at festivals bringing home numerous awards. She is passionate about writing, making things and daydreaming. Her picture books include Colin and the Snoozebox, Limelight Larry and Scrummy! (all Orchard Books). Leigh lives and works in Lewes with her husband, animator Steve Smith, and their two young children.