I had heard great things about this book, as a dog trainer I am always looking for books etc to learn new techniques, and gain more understanding about man's best friend from.
However, I was very disapointed with this book. The main theory behind the book being "you must be the alpha of the back" is old fashioned rubbish! First off, it has been shown that even wolves do not push through small gaps in the wild. Secondly, dogs are very different to wolves in their behaviour and psychology.
He also touches on very important subjects such as nutrition and homeopathic remedies, however he openly admits he has no real nutritional knowledge! I have been studying canine nutrition for some time, and have to admit I do not agree with his recommendations.
This isn't a horrific book, it does move on from the ridiculously traditional views of choke chains etc, but it is only one step up. He speaks of positive re-inforcement, however as I am a true positive re-inforcement trainer, I do not agree with the methods he uses. He is far too concerned with dominating the dog rather than truely understanding it.
I would say this book is old fashioned, and out of date. There are many better books out there covering the topic John Fisher claims to cover in this book. I will not be recommending this to anyone.