It was missing a piece, and it was not happy. Determined to feel complete, it sets off on a grand adventure to find the one part that will make it whole. As it rolls along on its journey, it sings a cheerful song and meets all sorts of interesting things along the way. Sometimes it rolls too fast, and sometimes it gets stuck, but it never gives up hope of finding its perfect match. What happens when it finally discovers a piece that seems to fit just right? Shel Silverstein tells a brilliant and touching story about searching for happiness and discovering what truly matters. With simple, charming drawings and a gentle sense of humor, this beautiful fable explores the ups and downs of life, the joy of the journey, and the surprising truth about being perfectly imperfect. It is a wonderful, thought-provoking tale that will stay with you long after you turn the final page.