This storybook is a continuation of the first book, The Journey to Le Dem. In this book, the M-Team has now arrived in the city of Le Dem. There they meet Dr. Diminui who has a shrinking machine. The M-Team uses the shrinking machine to travel into Dr. Diminui’s ear to research how hearing works. The book describes their adventure and what they find. It is a great way to discuss with children how hearing works, causes of hearing loss, and how a cochlear implant works. It is a useful tool for parents and professionals.