This book is an exploration of how knowledge about the reliability of information sources manifests itself in linguistic phenomena and use. It focuses on cooperation in language use and on how considerations of reliability influence what is done with the information acquired through language. Eric McCready provides a detailed account of the phenomena of hedging and evidentiality and analyses them using tools from game theory, dynamic semantics, and formal epistemology. Hedging is argued to be a mechanism used by speakers to protect their reputations for cooperativity from damage inflicted by...