I am considering setting up a cold water aquarium and as I've never kept fish before I thought it would be good to do some research before committing to a purchase...which is why I bought this book. I hoped for a relatively detailed overview of set-ups, maintenance, fish types and compatible non-goldfish species and health advice.
Positives: This book contains a basic overview of goldfish keeping and breeding. Language is simple and easy to understand. Book is split into many sections so finding specific advice is made easier.
Negatives: There is nothing in this book which I had not already found after a hours search on Google. Many of the fish forums actually have better (because it is more detailed and interactive) advice. I had hoped for much more detail, particularly as for the same price you can buy a 'real' book from Amazon with more pages/detail and pictures.
This would be suitable as a very basic beginners guide, or as a children's first guide but remember that all the information in here is freely available on the internet which is why I've given it a average rating.