While the sections on the French theorists are amusing and/or depressing, the chapter on positivism, empiricism, and induction is the most worthwhile. It gets to the heart of what it means to be a scientist, and also how recent ideas establishing truth (Popper's falsification, Kuhn's paradigm, Mill's induction method, etc.) seem to never quite work out. While this discussion is inserted more for the purpose of educating a non-scientific readership, it very nicely complements some other writings (Windshuttle, et.al.) on the challenge to objectivity that the post-modernists (Focault, Derrida,...) have made. The authors' style is straighforward, and a bit earnest, but well worth adding to your library if these issues concern you.