Practical Common Lisp - a great, free Common Lisp resource - typeset for GNU Texinfo, Emacs' interactive documentation system.
For when you've read enough in your browser to know that you don't want to read it in your browser.
To view in info-reader mode, open pcl.info with C-u C-h i (just as you would visit a file with C-x C-f).
Build from the project root with $ makeinfo --no-split pcl.texi -o pcl.info
