One of the best sources of information I know, particularly for those who want to develop their own glazes. Here you will find all the information you need to understand the basic principles of glazes, the properties of the various ingredients and how they interact. Even more important is the live insight that allows you to compare glazes with each other and correct problems, saving precious testing time.
Florian Gadsby gives exhaustive descriptions of each step of the process. And there is always something we realize that we could have done differently and better.