Mario Valentinelli's comic book 'Heinrich der Löwe' features a character navigating modern human stories within a medieval context, dealing with personal and societal challenges. Set in Braunschweig, it portrays Heinrich’s humorous and often difficult interactions with his wife Mathilde, and his unique views on life, food, and alcohol. The book offers a blend of humor and thought-provoking themes, encapsulated in 56 illustrated pages.