If you have 30 minutes: Steve Yegge's "Emergency Elisp". http://steve-yegge.blogspot.co.uk/2008/01/emergency-elisp.html http://steve-yegge.blogspot.co.uk/2008/0

If you have 30 minutes: Steve Yegge's "Emergency Elisp". http://steve-yegge.blogspot.co.uk/2008/01/emergency-elisp.html http://steve-yegge.blogspot.co.uk/2008/01/emergency-elisp.ht... If you have 6 months: Structure and Interpretation of Computer Programs (highly recommended, I enjoyed it a great deal). http://mitpress.mit.edu/sicp/ http://mitpress.mit.edu/sicp/ Emacs-specific tutorial on using the built-in help and the elisp packages' source code when you need to figure out how to do a particular customisation: http://david.rothlis.net/emacs/customize_c.html http://david.rothlis.net/emacs/customize_c.html