Introduction: Industry's child. -- The house of the butterflies: lead poisoning among workers and consumers. -- A child lives in a lead world. -- Cater to the children: the promotion of white lead. -- Old poisons, new problems. -- Better living through chemistry? -- Evidence of an illegal conspiracy by industry. -- Damn liars. -- Ol' man river or cancer alley? -- A hazy mixture: science, civil rights, pollution and politics. -- Science and prudent public policy.