An Introduction to Programming in Emacs Lisp

Much, much better formats and formatting at this (official?) GNU site.

Wow, they finally stopped centering all the text in their online help! Hallelujah!

The annoying background pattern hurts my eyes and immediately made me not wanting to read any further.

Luckily, the "Table of Contents" points to a normal, readable page with a plain white background.

However, I wonder how many other potential readers are turned off by the main page so much that they don't click the "Table of Contents" link.

The text is included in emacs. To read it with your favorite color-theme press M-x info m Emacs L<Tab> enter.

Yeah, that background makes me nostalgic for 1997-era internet.

Another good resource