The recent revelations about the scope of the Obama administration’s secret surveillance programs have at least one silver lining: provoking a national debate about the right to privacy and prompting people to learn more about its ethical, legal and practical dimensions. Readers approaching this fascinating subject for the first time might want to begin with the best article on privacy ever written: Samuel Warren and Louis Brandeis’s “The Right to Privacy,” first published in the Harvard Law Review in 1890 and available online. After that warm-up, here are some of my favorite privacy books.