JUNGLE MAN (256 pp.)P. J. Pretorius Duffon ($3.75).
During the second year of World War I, a fleet of British warships anchored off the mouth of the Rufiji River in German East Africa and proceeded to bombard an unseen target. When the shelling was over, the 3,400-ton cruiser Königsberg, camouflaged and in hiding 17 miles upstream, was an unrecognizable mass of twisted steel. She was to Germany in World War I what the Bismarck was in World War II: a ghostly, arrogant lone raider that had sunk British warships, transports and merchant vessels and gotten cleanly away after each kill. On the...