Xtreme NO2 chapters about nutrition are far more useful and you will build muscle if you follow the theory taught in the main e-book. "No-Nonsense Muscle Building" has been used by university academics as a replacement textbook for nutrition, since it's so concise and easy to understand.
http://www.sohsmarchingband.org/xtreme-no2/
http://www.sohsmarchingband.org/xtreme-no2/