I don't know if buying a book is worth it compared to the manual/documentation. But nonetheless, Emacs is a very self-documented program. http://emacswiki.org/

I don't know if buying a book is worth it compared to the manual/documentation. But nonetheless, Emacs is a very self-documented program. http://emacswiki.org/emacs/SelfDocumentation http://emacswiki.org/emacs/SelfDocumentation