Peter Baumann develops and defends a distinctive version of epistemic contextualism, the view that the truth conditions or the meaning of knowledge attributions of the form "S knows that p" can vary with the context of the attributor. The first part of the book examines arguments for contextualism and develops Baumann's version. The first chapter deals with the argument from cases and ordinary usage; the following two chapters address "theoretical" arguments, from reliability and from luck. The second part of the book discusses the problems contextualism faces, to which it must respond, and...