The book is a show case and apart from that is technically very well done.
It is clearly oriented at the artist as few of the processes explained would be industrial feasible. It has a very nice index of perfectly photographed plate samples which represent the effect you will have after successfully following the recipe. It is fairly comprehensive and covers hundreds of different patinas with their exact recipe, chemicals and application methods. The recipes are grouped into 6 main sections: cast bronze, cast yellow brass, copper and copper-plate, gilding metal, yellow brass, silver and silver plate. Sadly enough there are lots of more metals. Some of the patinas may not be feasible to the common artist, the products are very specific and at times very hard to get hold of.