Goto www.blender3d.org
Goto Download->Resources
You will get
http://www.blender3d.org/cms/Resources.181.0.html
Goto
Animation book by late Disney animator Preston Blair, available freely online in digital format
Now Click on the link
http://www.freetoon.com/prestonblair/
Needs user name and Password
Yep. It was available once but the freetoon website is now closed:
Welcome to FREETOON.com!
SORRY, THIS SITE IS TEMPORARILY CLOSED
A NEWER AND UP-TO-DATE SITE
IS NOW ON CONSTRUCTION,
FOR PROFESSIONAL & AMATEURS, Come back soon!
Try this instead
http://www.animationarchive.org/2006/05/media-preston-blairs-animation-1st.html
Mike