• Exciting new work from one of the world's best young philosophers
• Explores a fascinating puzzle about knowledge
• Provides the most thorough discussion of contextualism, a cutting edge topic in epistemology
• Addresses vital questions about the relationship of knowledge to practical reasoning

Readership: Scholars and students of philosophy, especially epistemology and philosophy of language.

John Hawthorne, Rutgers University, New Jersey

"a wonderfully clear and well-argued book with a refreshing non-dogmatic air to it, that I am sure will function as a central reference point for these debates in the time to come." - Steffen Borge, Disputatio

"This is a must-read, indeed a must-study, for everyone interested in the concept of knowledge." - The Philosophical quarterly, April 2005

1: Introducing the Puzzle
2: Contextualism and the Puzzle
3: Invariantist Treatments
4: Sensitive Moderate Invariantism
Bibliography