Peter Hanks defends a new theory about the nature of propositional content, according to which the basic bearers of representational properties are particular mental or spoken actions. He explains the unity of propositions and provides new solutions to a long list of puzzles and problems in philosophy of language. Propositional Content is a highly enjoyable and interesting contribution to the literature on the nature and role of propositions in philosophy. Moreover, by providing a detailed, book-length defense of the type-view of propositions, PC reinforces this way of thinking about propositions as a main contender in this area. . . . [it] is to be praised for raising a range of central questions, and for thoughtfully and clearly showing how the view of propositions as types of acts handles a host of issues. It should be a must-read for anyone interested in the nature of propositions.