The central topic for this book is the ethics of treating individuals as though they are members of groups. The book raises many interesting questions, including: Why do we feel so much more strongly about discrimination on certain grounds - e.g. of race and sex - than discrimination on other grounds? Are we right to think that discrimination based on these characteristics is especially invidious? What should we think about 'rational discrimination' - 'discrimination' which is based on sound statistics? To take just one of dozens of examples from the book. Suppose a landlord turns away a...