Book excerpt: Skepticism remains a central and defining issue in epistemology, and in the wider tradition of Western philosophy. To better understand the contemporary position of this important philosophical subject, Allan Hazlett introduces a range of topics, including: • Ancient skepticism • skeptical arguments in the work of Hume and Descartes • Cartesian skepticism in contemporary epistemology • anti-skeptical strategies, including Mooreanism, nonclosure, and contextualism • additional varieties of skepticism • the practical consequences of Cartesian skepticism Presenting a comprehensive survey of the key problems, arguments, and theories, together with additional readings, A Critical Introduction to Skepticism is an ideal guide for students and scholars looking to understand how skepticism is shaping epistemology today.