[SkyMarshal]

Buy either Practical Common Lisp or Land of Lisp and work through the entire book. They both teach Lisp via Emacs.

http://gigamonkeys.com/book/

http://landoflisp.com/

[saw-lau]

I bought Land of Lisp recently (haven't got round to starting it yet), but a quick search of the PDF only shows a couple of mentions of emacs...