Signs are the basis of all communication. Semiotics—the study of signs—has increasingly become an area of intellectual inquiry, and the word itself is now even known to the general public, thanks to the popularity ofnovels by David Lodge and the fame of Umberto Eco. No one has done more to advance the study of signs than Thomas A. Sebeok. In countless books and articles, he has written in a fascinating and erudite manner about almost every conceivable type of sign activity. This volume gathers some of his most accessibie essays, all dealing with fundamental problems of contemporary semiotics, or what Locke and Peirce, following medieval tradition, called the Doctrine of Signs. The first chapter constitutes an overview. Successive chapters c...