Isaiah Berlin is one of the towering intellectual figures of the twentieth century, the most famous English thinker of the post-war era, and the focus of growing interest and discussion. Above all, he is one of the best modern exponents of the disappearing art of letter-writing. 'Life is not worth living unless one can be indiscreet to intimate friends, ' wrote Berlin to a correspondent. This first volume inaugurates a long awaited edition of his...