Against the Current by 
An Introduction to the Theory of Knowledge by 
Ethics and the Limits of Philosophy by 
A short history of ethics : a history of moral philosophy from the Homeric age to the twentieth century by 
Introduction to Metaphysics by 
A Companion to Philosophical Logic by 
Philosophical Logic by 
The Blackwell Dictionary of Western Philosophy by 
The Penguin Dictionary of Philosophy by 
Dictionary of Philosophy by 
