This book is written as a fun little book to appeal to an audience of four to seven year olds. The book is designed to address questions from its young readership regarding what takes place at a mechanical shop with a necessary part of life, car maintenance. The book depicts a local mechanic as he goes through the steps involved in a conventional oil change with the realization other vehicles require synthetic or semisynthetic treatments. This book will help with the development of responsible car owners of the future and help answer young inquiring minds'' questions....