Links for learning JQuery

Hi...found some good links that will be helpful to learn JQuery and also to improve it. Please have a look at them...

1. http://jqueryui.com
2. http://coding.smashingmagazine.com/2008/09/16/jquery-examples-and-best-practices/
3. http://net.tutsplus.com/tutorials/javascript-ajax/14-helpful-jquery-tricks-notes-and-best-practices/