Captive Universe (Sphere Science Fiction) by Harry Harrison
1972. 1972 Reprint. 185 pages. Black pictorial paper cover. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Inscription to front endpaper. Paper cover is lightly rub worn and thumbed with light shelf wear to edges and corners. Light creases to corners and spine. Tanning to spine and edges.