"Elephant & Piggie" is a popular children's book series created by author Mo Willems. The series features two main characters: Gerald, an anxious elephant, and Piggie, a cheerful and carefree pig. Each story explores themes of friendship, emotions, and problem-solving through simple, engaging narratives and expressive illustrations. The books are designed for early readers, using repetitive text and dialogue to encourage reading confidence. The playful interactions between Gerald and Piggie make the stories relatable and entertaining for young audiences, fostering a love for reading and storytelling.