var books_travel_names = 
    new Array("adventure.capitalist",
              "augustine.travels",
              "basque.history",
              "big.oyster",
              "cod",
              "collapse",
              "continent.islands",
              "guns.germs.steel",
              "hokkaido.high",
              "investment.biker",
              "kikunoi",
              "salt",
              "shinkansen.book",
              "spice.route",
              "tsukiji.book");