The New Encyclopedia of Modern Bodybuilding by Arnold Schwarzenegger with Bill Dobbins is a comprehensive reference on bodybuilding, strength training and physique development. Often regarded as a classic bodybuilding guide, the revised edition covers training techniques for different levels of experience, from beginners and recreational athletes to competitive bodybuilders.

The book goes beyond exercise routines, covering diet and nutrition, dietary supplements, sports psychology, injury prevention and treatment, competition preparation, posing and bodybuilding history. It is extensively illustrated and provides guidance on developing, strengthening and defining individual muscle groups.