The book sets an ambitious goal. It devises a new account of scientific methodology that makes it possible to explain how scientists manage, at least occasionally, to find true models of reality. The new methods may be contrasted with all those currently available that employ "coherence theories" of knowledge. Under this designation are grouped positions that can seem very different (such as those of Poincar , Duhem, Popper, Hempel, Quine, Kuhn,...