Eleven pairs of newly commissioned essays face off on opposite sides of fundamental problems in current theories of knowledge. * Brings together fresh debates on eleven of the most controversial issues in epistemology. * Questions addressed include: Is knowledge contextual? Can skepticism be refuted? Can beliefs be justified through coherence alone? Is justified belief responsible belief? * Lively debate format sharply defines the issues, and paves the way for further discussion. * Will serve as an accessible introduction to the major topics in contemporary epistemology, whilst also capturing the imagination of professional philosophers.