"The arguments developed by Mason are important contributions to an ongoing conversation about political disagreement. Adding to the agenda of distinctions and criteria will be a normal reaction from readers forced to think about these problems at a different level. No higher tribute can be paid to a book." Fred M. Frohock, American Political Science Review

• Preface; Acknowledgements; Introduction; 1. Differences in values; 2. The notion of an essentially contested concept; 3. The miscommunication thesis; 4. Integrating rational and non-rational explanations; 5. A model for explaining some moral and political differences; Concluding remarks; Appendix; Bibliography; Index.

"The arguments developed by Mason are important contributions to an ongoing conversation about political disagreement. Adding to the agenda of distinctions and criteria will be a normal reaction from readers forced to think about these problems at a different level. No higher tribute can be paid to a book." Fred M. Frohock, American Political Science Review

• Preface; Acknowledgements; Introduction; 1. Differences in values; 2. The notion of an essentially contested concept; 3. The miscommunication thesis; 4. Integrating rational and non-rational explanations; 5. A model for explaining some moral and political differences; Concluding remarks; Appendix; Bibliography; Index.

"The arguments developed by Mason are important contributions to an ongoing conversation about political disagreement. Adding to the agenda of distinctions and criteria will be a normal reaction from readers forced to think about these problems at a different level. No higher tribute can be paid to a book." Fred M. Frohock, American Political Science Review

• Preface; Acknowledgements; Introduction; 1. Differences in values; 2. The notion of an essentially contested concept; 3. The miscommunication thesis; 4. Integrating rational and non-rational explanations; 5. A model for explaining some moral and political differences; Concluding remarks; Appendix; Bibliography; Index.