Friedman, Danielle. Let’s Get Physical: How Women Discovered Exercise and Reshaped the World. New York: G.P. Putnam’s Sons. 270 pp. $27.00 Hardcover. Reviewed by Richard Ravalli Danielle Friedman provides a personalized, feminist look at women’s fitness history since the middle of the twentieth century in Let’s Get Physical: How Women Discovered Exercise and Reshaped the…