The Problem of Knowledge by A. J. Ayer - 1956

Penguin Publishing Group. Used - Good. Used book that is in clean, average condition without any missing pages.

Penguin Publishing Group. Used - Good. Former library book; may include library markings. Used book that is in clean, average condition without any missing pages.

Penguin Books. Used - Acceptable. Paperback The item is fairly worn but still readable. Signs of wear include aesthetic issues such as scratches, worn covers, damaged binding. The item may have identifying markings on it or show other signs of previous use. May have page creases, creased spine, bent cover or markings inside. Packed with care, shipped promptly.

Penguin Books. Used - Good. Good condition. With remainder mark. Owner's name on inside.

Penguin Publishing Group, 1957. Paperback. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Penguin Publishing Group, 1957. Paperback. Acceptable. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Penguin Books, 1962. Second printing. Mass Market Paperback. Good. Pages yellowed..

CollectibleAcceptable. 1964 Penguin Books. Has moderate water staining on endpages and cover. Good solid paperback with moderate reading/age wear, may have some light markings, pages may have some mild tanning. We take great pride in accurately describing the condition of our books and media, ship within 48 hours, and offer a 100% money back guarantee. Customers purchasing more than one item from us may be entitled to a shipping discount.

Penguin Publishing Group. Used - Good. Used book that is in clean, average condition without any missing pages.

Penguin Books, 1966. Paperback. Acceptable. 1966. Reprint. 224 pages. Illustrated paperback. Pages are heavily tanned and foxed throughout. Some pages are dog-earred. Pen inscription to front endpaper. Covers have moderate tanning with creasing and reading lines. Book has forward lean.