I like the Illy [1] book on the subject. It is mainly about Italian espresso though and less representative of 3rd wave brewing. [1] https://www.elsevier.com/b

I like the Illy [1] book on the subject. It is mainly about Italian espresso though and less representative of 3rd wave brewing. [1] https://www.elsevier.com/books/espresso-coffee/illy/978-0-12-370371-2 https://www.elsevier.com/books/espresso-coffee/illy/978-0-12...