Philosophical Investigations

Welcome to PI

PI is the home of integrated learning - where website, books, training days all integrate into one model of creative learning. My blog this week discusses the utilitarianism of Peter Singer. For our bookshop click here - new books on Meta-ethics and Virtue Ethics just out now, and my book on utlitarianism remains a firm favourite with the reading public! 

Teachers Do make any suggestions ahead of the new term about material that would really help you make this a WOW subject. Write to me at



Send me your suggestions to on how to improve the site and make it more helpful to your quest for an A grade and I will send a free book to the top five suggestions! Competition closes at half term.