Jack is nervous for his visit to the dentist. Older sister, Lily, shares with Jack what will happen during his check-up. With simple illustrations and explanations this book is intended to help prepare children 2-6 years old for a visit to the dentist. The author, a dental educator and assistant, encourages caregivers to promote a visit to the dentist as a positive experience. When children know what to expect it will make the experience less scary and therefore, more fun.