Here is a link to the PDF version - he also published in DOC format - both under a creative commons license. This one belongs on our Scrum References list (see below).
|Scrum on a Page|
The Scrum Guide: The Definitive Guide to Scrum - The Rules of the game
Note that the Scrum Guide is revised as of July 2011 - this link is to the current version
Video: Learn SCRUM in Under 10 Minutes
Scrum Practitioner's Group at LinkedIn
Video: Collabnet Introduction to Scrum
Bill Wake's Scrum on a Page