Easy to teach from for parent and teacher! This series is designed with the teacher or Parent in mind. Each Spinks book is an Easy Introduction to the subject, written in simple English and jargon free. Introduction to Earth amd Space is an easy introduction to earth and space science. This book is intended for the 5th grader, middle or High School student. My mission is to motivate children to learn, get excited about a subject and be very easy for the teacher to teach from. From my experience teaching developmentally challenged children, I know that every child can be motivated to learn and achieve his potential. I have learned the value of easy to use teaching materials and the difficulty finding those materials. Spinks books are intended to fill a void of easy to read and use teaching materials and books. Danny Spinks, Author, Spinks Books.