Enter The Amazon is a series of illustrated books covering the history of the development of aesthetic female muscle in recent decades - that is, female bodybuilders, fitness and figure competitors, fitness models and women who look like and call themselves "Amazons." Book Four: Fine Art presents a collection of Bill Dobbins' fine art photos of the female physique, as well as his thoughts and comments on fine art photography and the significance of using female muscle as a subject - including his observations on the difference between naked pictures and nudity in a fine art context.