in the open air," have made books the rarest of possessions in many houses. There are relics of the age before circulating libraries, there are fragments of the lettered store of some scholarly great-grandfather, and these, with a few odd numbers of magazines, a few primers and manuals, some sermons and novels, make up the ordinary library of an English household. But the amateur, whom we have in our thoughts, can never be satisfied with these commonplace supplies. He has a taste for books more or less rare, and for books neatly bound; in short, for books, in the fabrication of which art has not been absent. He loves to have his study, like Montaigne's, remote from the interruption of servants, wife, and children; a kind of shrine, where he may be at home with himself, with the illustrious dead, and with the genius of literature. The room may look east, west, or south, provided that it be dry, warm, light, and airy. Among the many enemies of books the first great foe is damp, and we must describe the necessary precautions to be taken against this peril. We will suppose that the amateur keeps his ordinary working books, modern tomes, and all that serve him as literary tools, on open shelves. These may reach the roof, if he has books to fill them, and it is only necessary to see that the back of the bookcases