"It is now become so much the fashion to publish letters, that in order to avoid it, I put as little into mine as I can," Samuel Johnson declared, according to Boswell. And Boswell answered, "Do what you will, Sir, you cannot avoid it. Should you even write as ill as you can, your letters would be published as curiosities." But Johnson's letters are far more than that. Even at their most cursory and casual, they are never less than precious biographical documents, and many of them mirror, define, and re-create a vivid likeness of the most versatile writer of eighteenth-century England....

The Hyde Edition offers scores of texts transcribed for the first time from the original documents a feature of special importance in the case of Johnson's revealing letters to Hester Thrale, many of which have been available only in expurgated form. The Hyde Edition is also the first systematically to record substantive deletions, which can yield intimate knowledge of Johnson's stylistic procedures, mental habits, and chains of association. Furthermore, its ownership credits document the current disposition of the manuscripts, hundreds of which have changed hands during the last four...