This book is very informative, and in a unique way. I love the way that the pages add a visual interest by staggering the length of each page, so that the reader can tell where each page tab is. Each page has its own facts and figures as well as myths and legends, I think this is great to have in a nonfiction book. I would use this book at third grade level or higher when teaching lessons on the moon, sun and the solar system. This book also has its own glossary and index which I believe is pertinent to any science book.