B291.  Nihonto: Shiko no Tetsu no Gejutsu by Toyamaken.  2000.  Softbound, 8 ¼ x 11 ¾”, 127 pages in Japanese.  Important blades, great fittings, sharp photos and oshigata, and a very reasonable price.  Like new.  1 pound, 9 ounces.  $40.