About Martina Stuhlberger Martina Stuhlberger is an Austrian illustrator. She worked as a copywriter, screenwriter, and multimedia content creator before discovering her true passion and creating a colorful life as an illustrator and designer. Books by Martina Stuhlberger In My Skin by (author) Morgan Christie illustrated by Martina Stuhlberger Ages 4 to 8 Grades p to 2