Addis, Mark. Wittgenstein : a guide for the perplexed. - London ; New York : Continuum, c2006. - vii, 167 p. ; 22 cm. Includes bibliographical references (p. 158-164) and index. ISBN: 0826484964 LCCN: 2005-024794 Subjects--Personal Names: Wittgenstein, Ludwig, 1889-1951. Dewey Class. No.: 192