Taguchi, the author of The Complete Book of Coffee Tasting, has a systematic and in-depth understanding of coffee.
Kenny smith wrote a book about baking coffee at home. This book is about roasting coffee beans. It was not published in China. I bought it from a seller in Taiwan Province Province on Taobao and spent 100.
The above two books are well-known coffee books, and I also bought some special books about Italian coffee making, including Chihiro Yokoyama's The Delicious Rule of Homemade Coffee.
The top technology of barista, latte art
I don't know what kind of books are more classic.