I am sure you will get a lot of input on your request for
For what it is worth here are my recommendations:
The best all-round book to come out so far is Linda Darty's The Art
of Enameling: Techniques, Projects, Inspiration
If you go to the publications section of the Enamelist Society
can access Amazon.com. If you order anything from Amazon (not just
books) through the Society website the Society makes a tiny
percentage on the sale.
Another publication which is a must have for scientific info is the
Thompson workbook available from Thompson Enamel.
There have been several books that have come out in English over the
past 6 years, after a long drought of no books. The Cohen book and
the Bachrach book contain "how-to" projects in a step-by-step format.
Once you have the basics you might want to go a little deeper into
The Enamelist Society lending library is another possibility for
enameling books, videos, and magazines.