Take an incredible journey through the human body with Billy Bagel! In this fun and educational book, Billy writes letters to his friend Jelly Belly Jessie describing his wild ride through the Digestive System. Billy details his experiences getting crushed by teeth, pushed around by stomach muscles, meeting vitamins and minerals, and more. Kids will love following along on Billy's adventure while learning about all the different organs and processes involved in digestion. With cute illustrations and Billy's first-hand account, this book makes digestion accessible and entertaining. Children will gain a thorough understanding of the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, and more. So join the unforgettable expedition inside the human body with Billy Bagel! "This creative approach brings science to life and will make learning about the digestive system fun and memorable."