"Henry and Mudge" is a children's book series written by Cynthia Rylant. The stories follow the adventures of a young boy named Henry and his large dog, Mudge. Together, they explore their neighborhood, face challenges, and enjoy simple pleasures, highlighting the bond between a child and his pet. The series is known for its engaging illustrations and relatable themes, making it accessible for early readers. Each book captures the essence of friendship, loyalty, and the joys of childhood, encouraging young readers to appreciate their own relationships with pets and friends.