books.google.co.uk - This book is a defense of modal realism; the thesis that our world is but one of a plurality of worlds, and that the individuals that inhabit our world are only a few out of all the inhabitants of all the worlds. Lewis argues that the philosophical utility of modal realism is a good reason for believing...http://books.google.co.uk/books/about/On_the_Plurality_of_Worlds.html?id=U96lhqfqcl0C&utm_source=gb-gplus-shareOn the Plurality of Worlds
