 First: The religious nature of the world population. Most social research on religion supports the view that the majority of the world’s population is either part of a religion or influenced by religion (see the Pew Research Center online). To engage in philosophy of religion is therefore to engage in a subject that affects actual people, rather than only tangentially touching on matters of present social concern. Perhaps one of the reasons why philosophy of religion is often the first topic in textbook introductions to philosophy is that this is one way to propose to readers that philosophical study can impact what large numbers of people actually think about life and value. The role of philosophy of religion in engaging real life beliefs (and doubts) about religion is perhaps also evidenced by the current popularity of books for and against theism in the UK and USA.