Alan GurneyBelow the Convergence: Voyages Towards Antarctica 1699-1839 Trafalgar Square May 1998 0712673296 / 9780712673297 Trade Used - Very Good Very Good Softcover. Light soiling and shelfwear to covers. Sticker residue on cover. Pages yellowing, but clean and tight in binding. Pictures available upon request. A locally owned, independent book shop since 1984.