In a revision of his doctoral dissertation for Northwestern University, Schiappa (communication studies U. of Minnesota-Minneapolis) defends a reconstruction of fifth-century BC Protagoras' contribution to ancient Greek philosophy and rhetoric. He draws on all the significant fragments of his work and that of his fellow Older Sophists to illuminate their broad world view. No date is noted for the first edition. Annotation (c) Book News, Inc., Portland, OR (booknews.com)