The Open Sea: Its Natural History: Part 1, The World Of Plankton (the Fontana New Naturalist Ser.) by Alister Hardy
1972. 1972 Reprint. 393 pages. Green pictorial paperback. 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. Light tanning to spine and edges.