Vivian Heyward and Lisa Stolarczyk have given every health professional the tool needed to accurately assess the body composition of virtually any population. In a single book, one can easily find the correct formulas and calculations to be used for most of today’s popular testing equipment-skinfold calipers, bioelectrical impedance analysis, hydrostatic weighing, and more. Whether used by an exercise physiologist, nutritionist, doctor, researcher, or so forth, this is an incredible asset for any tester working in the health field.