Korner, StephanConceptual Thinking Dover Publications 1959 Paperback Acceptable 1959 Dover Publications paperback edition. Discolouring to spine. Wear to cover edges. Name written on fly page. Heavy tanning to page edges.
Margolis, JosephKnowledge and Existence 195015894 Hardcover Good Ex library book with all the usual stamps and markings. Fading to spine of dust jacket. Creases and wear to dust jacket. Tanning and foxing to page edges.