This book was written by twin sisters, one of whom was the wife of an attorney (Norman Roy Grutman) for whom I did investigations for years. It gives one a wonderful example of the Native American culture. I have purchased this books, and additional ones, to give as gifts together with a sequal written by thew same two sisters. The other is a continuation of this book and is titled The Ledgerbook of Thomas Blue Eagle. I believe these two books are suitable for any age from 3 up. The variuos dealers I purchased these books, through Amazon, have been helpful and honest.