This is Scheme rather than Common Lisp, but you may be served well by
this book:
http://mitpress.mit.edu/sicp/full-text/book/book.html
Once you can write a Scheme implementation, you should then look at
this:
http://www.lispworks.com/reference/HyperSpec/
You might also want to take a look at this:
http://armedbear-j.sourceforge.net/
Good luck.
--
An ideal world is left as an excercise to the reader.
--- Paul Graham, On Lisp 8.1