1976. Unpaginated. No dust jacket. Set of 4 miniature paperback books with pictorial covers in a green pictorial slipcase. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Paper cover is lightly rub worn and thumbed with light shelf wear to edges and corners. Light creases to corners and spine. Slipcase mildly rub worn, light shelf wear to spine, edges and corners. Light splitting to seams and edges. Light tanning to spine and edges.