I started wrting c lessons for absoulute begginers to advanced users, I think material can be considered quality, and my students learn programming with this stuff. If you wish feel free to start reading it here:
http://www.visualcmaniac.com
its only 5 lessons for now so maybe could be easier for you to start following it now in the beginning. Hope I helped..materials will be published on daily base. Enjoy now, or later when I reach more advanced topics...