I bought this book to help me in a first year medical school gross anatomy course. While it's not where you want to start when learning anatomy, it's both helpful, as well as reassuring, to be able to see high quality full-color photographs of structures that you've only seen in textbook illustrations, or in a diagrammatic atlas. One good use of this book is for looking up structures that you're just not understanding, even though you may have seen a dozen illustrated renditions of them.
The two best uses that I found for this atlas were: 1. generating my own more-realistic/less-diagrammatic illustrations when studying, and 2. SELF-TESTING before a laboratory practical exam.
A problem with Rohen and Yokochi is that, because not all anatomical structures can be clearly photographed, it's not as comprehensive as Netter's Atlas is, and many a structure that you might wish to look up won't be in it, so keep a good textbook (I recommend Moore and Dailey's Clinically Oriented Anatomy) and an illustrated atlas around (most people like Netter's), as well. Also, it is quite possible to identify more structures than are labelled in many of the photographs in this book.
In summary, this book is a nice tool to have around, but if you're determined to cut costs, this is the study aid to skip in a gross anatomy course, and the last one to consult when learning new structures.
A warning: be careful about leaving it open where those who aren't anatomy students might see it. Many of the photographs are potentially disturbing to people who aren't prepared for what they're about to see. Especially the ones with the "forks-on-a-chain" dissection tools visible or the dissected urogenital areas.