In each of the 39 chapters a danger to your dog is presented along with scientific explanations as to why this is bad for your dog and what you can do about it. A broad range of topics is discussed including such as which dogs are more likely to get cancers and the debate of cosmetic procedures for dogs. I did learn a lot from the section about cancer in dogs where "the best decision is always based on an accurate diagnosis." When to worry about lumps and bumps was another informative section for any dog owner. The section on what types of foods to feed your dog and obesity in dogs was well written.
My one large criticism of this book (which was provided as an Advanced Reading Copy and hopefully edited out!) was that the veterinarian and author states that a Rottweiler is a "jaw-locking breed." Based on the anatomy of dogs, "There is no such thing as jaw-locking in any breed."
This book was received for free in return for an honest review.