Richard - it's Beckett, not Beck.
The Science of Chocolate provides a good overview of chocolate basics and a tiny bit of history. If you do plan to go into production then the more complete version, which costs a couple of hundred dollars, is one of the definitive reference guides and is highly recommended.
Link to The Science of Chocolate (hardcover - Amazon)
Link to Industrial Chocolate Manufacture and Use (hardcover - Amazon)
:: Clay
:: Clay
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@DiscoverChoc