A.C. Grayling is one of Britain's leading philosophers, known not only for his contributions as a public philosopher of distinction, but in academic circles for his scholarly work on Descartes, Berkeley, Russell and Wittgenstein, his writings on the problem of scepticism, his widely used "Introduction to Philosophical Logic" and (as editor) his two volume "Philosophy" and (as chief editor) the "Continuum Encyclopaedia of British Philosophy". This book serves as an excellent guide to Grayling's main philosophical concerns and shows the intellectual underpinning of much of his more popular work. In this volume of selected essays, he includes work done in the philosophy of language and philosophical logic, focusing on debates about truth, reference, assertion, judgment, and the realism-anti-realism debate. He sees them as contributions made to the debates which give these topics their life, at the point those debates had reached at the time they were written. As such the discussion do not aspire to be the last word on any of them, but rather to advance a perspective and a set of suggestions relevant to understanding them further.