For close to two decades, S. T. Joshi has been one of the leading authorities on H. L. Mencken, the fiery journalist and critic whose vibrant writings-books, magazine articles, and thousands of newspaper pieces-continue to engage readers and critics of American literature. Because he has read the entirety of Mencken's bountiful output, he is in a unique position to study those aspects of Mencken's work that others have ignored. In particular, Joshi...