I think that this book will go down as one of the best Star Trek reference books ever made. The 4 by 3 maps are breathtakingly beautiful and durable. The book itself provides some in-universe insight into the geography and history of the Federation and the various alien races that our Starfleet characters encountered every week. The maps are great to frame and put on the wall. The box that holds the maps and book is heavy and well made. All around, a great buy and a must have for Trek fans of all ages.