The "M and M's Brand Counting Book" by Barbara Barbieri McGrath, published by Charlesbridge Publishing in 1994, is a trade paperback book aimed at young readers. With a focus on concepts of colors and counting, the book uses illustrations to help children understand these topics in a fun and engaging way. The book's author, Barbara Barbieri McGrath, is experienced in creating educational materials for children, making this counting book a valuable resource for learning essential skills.