by PAUL BRODEUR 274 pages. Viking. $8.95.
MUSCLE AND BLOOD
by RACHEL SCOTT 306 pages. Dutton. $8.95.
Work can kill you. Workers have always known it. And from Charles Dickens to Upton Sinclair, gifted writers have assailed the inhumanity of employers who disregard the disease-dealing, injury-inflicting conditions under which their employees labor. Since the 1930s, though, with the rise of powerful unions and the spread of reforms, it has been widely assumed that the health and safety of most workers has been adequately protected, at least in the United States. In many industries that is true enough. Yet death and crippling dangers...