A brief introduction to the introduction to Coffee roasting, the complete Book of Coffee self-baking

When the author published the first edition of this book in 1996, roasting coffee beans at home was something that only tireless coffee addicts would do. At that time, roasting coffee beans was a very difficult thing to master, and roasters had to work hard to find a way to roast coffee beans to a moderate brown. Today, individuals still roast coffee beans at home.