This is the book that led to food safety reforms after the dangers of meat packing plants were revealed to the public. With the loss of unions in the US and around the world, social darwinism is back in full force. Unions may or may not be the answer to the problems facing humanity today, but the discussion about how to form a more equitable economy is long overdue. And the irony of listing the Amazon link for this book is not lost on me!
Edit: I remembered another required short read: