1971. 191 pages. This is an ex-Library book. Blue plain paperback. Ex-library copy, with expected inserts and inscriptions. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Tape marks to endpapers and pastedowns. Paper cover is moderately rub worn and thumbed with noticeable shelf wear to edges and corners, creases to corners and spine. Light tanning to spine and edges.