George and Martha is a children's book series created by James Marshall. The stories feature two best friends, George, a hippo, and Martha, a pig. They engage in various adventures that highlight themes of friendship, sharing, and problem-solving. The illustrations are colorful and playful, appealing to young readers. The series is known for its humor and relatable situations, making it enjoyable for both children and adults. Each story typically includes a moral lesson, encouraging positive behavior and understanding among friends. George and Martha has become a beloved classic in children's literature.