illustrated by Federico Mariani and Parko Polo. illustrated by Federico Mariani and Parko Polo illustrated by Federico Mariani & Parko Polo illustrated by Federico Mariani & Jorge Martin. illustrated by Frederico Mariani & Jorge Martin. illustrated by Federico Mariani & Shaw Nielsen illustrated by Federico Mancuso and Jeff Jenney. illustrated Federico Mariani & Danny Schlitz illustrated by Federico Mancuso and Jeff Jenney illustrated by Adrian Dean and Adrian Roots