The Tummy Trilogy Series is a collection of three children's books written by L. A. Kauffman. The series includes titles such as "The Tummy Monster," "The Tummy Monster Goes to School," and "The Tummy Monster's Birthday Party." Each story features a friendly monster that helps children navigate various everyday situations, promoting themes of friendship, acceptance, and problem-solving. The illustrations in the series are colorful and engaging, making the books appealing to young readers. The Tummy Trilogy is designed for early readers and aims to foster a love for reading while addressing common childhood experiences in a fun and relatable way.