illustrated by Federico Mariani & Parko Polo illustrated by Federico Mariani and Parko Polo illustrated by Federico Mariani and Parko Polo. illustrated by Federico Mariani & Jorge Martin. illustrated by Federico Mariani & Shaw Nielsen illustrated by Frederico Mariani & Jorge Martin. illustrated Federico Mariani & Danny Schlitz illustrated by Federico Mariani, Parko Polo and Shaw Nielsen illustrated by Mariani Federico, Parko Polo illustrated by Federico Bonifacini