Everything You Need To Get Started With Common Lisp

Quick-Links for the TL;DR Crowd
About Lisp: Describes Lisp as an overview.
High Level Overview: Describes in general what is needed to program with Lisp.
All you need

SBCL
Emacs
SLIME
asdf-install

Code examples: A few rudimentary Lisp snippets.
Other Lisp Features: Features that I did not feel like explaining
Resources

About Lisp
Note: For a complete introduction, I recommend this e-book. If you only want [...]