This book is very good. It is very detailed and describes every trail in the Smokies. The elevation maps indicate trail and stream crossings. I highly recommend this book. Be very careful when purchasing a copy of this book from a seller that is not the Smoky Mountains Natural History Association. There are many editions since it was originally written. However, they have not changed the ISBN number. If you want a detailed book about Smoky Mountains, this is the very best book. Do not buy anything else.