Resources for learning Eagle

While I'm proud of my EAGLE instructables:

they're certainly not the only ones there! Particularly useful other instructables:

http://www.instructables.com/id/Professional-PCBs-almost-cheaper-than-making-them-/ (preparing for professional FAB)
http://www.instructables.com/id/How-to-make-a-custom-library-part-in-Eagle-CAD-too/