I guarantee that if you can avoid all of the distractions out there (ignore the muscle mags and and) and get yourself to the gym each day with commitment and enthusiasm. And you make a point to work these underlying bodybuilding suggestions into your workouts and day to day life, you will gain muscle mass faster than you ever thought you could! All it really takes is hard work, dedication and commitment to create a more muscular body.
That's really all it takes to gain muscle mass! Until you get a decent understanding of the items listed above stay away from fancy workouts and supplements or nutrition plans and focus your attention where you'll get the most in return...on the fundamentals!