If he wanted to learn how to make coffee, he would recommend a few basic books to familiarize himself with. 1 Basic Coffee Knowledge (Parsons) This was a very basic coffee knowledge book that introduced the cultivation, roasting, brewing, and other aspects of coffee. It was a good choice for people who wanted to get started with coffee. 2 Coffee Technology ( ·Mayer) This book introduced the planting, picking, roasting, brewing and other aspects of coffee. It also included the chemical structure of coffee and the source of aroma. This book was a basic guide to learning coffee craftsmanship. 3. Introduction to Coffee Brewing (Brown) This book introduced the basic techniques and knowledge of coffee brewing, including grinding beans, brewing methods, mixing coffee powder, and so on. This book is suitable for beginners. 4. Coffee Tasting (Rex) This book introduced the basic methods and techniques of coffee tasting, including color, aroma, taste and other aspects of knowledge to help readers better taste and analyze coffee.