First published in 1936 when he was only 24, this work shook the foundations of Anglo-American philosophy and made its author notorious.

. I find it impossible to imagine that this book will not remain indefinitely the very best book of its sort."—Review of Metaphysics "The confrontation or conjunction of Ayer and Russell is a notable event and has produced a remarkable ...

In the pages of this book, readers will find classic papers by Schlick, Carnap, Neurath, and Hanh published for the first time in English.

"A lively discussion of the life and writings of one of the premier revolutionaries of the eighteenth century. [Ayer's] chapters alternate between the externals of Paine's life and career in England, America, and France and analyses of ...