This book is designed to encourage a child's reading and learning. It is written for the 2-5 year age range. It is a simple book narrated by Eric Boyle the Crocodile and features photos of real emergency vehicles. The inspiration comes from a child who said "Look a nee naw tractor." Explore the Real World with Eric and Rufus Children's Books "Eric and Rufus Children's Books strive to encourage children to explore the real and natural world, via the use of books featuring photos of real things. We seek to encourage outdoor exploration and learning by linking things they see and hear in books with things they can experience in real life outdoors."