B571.  Ai Tan Hyaku Shu (could also be read Ai Tsuba, favorite tsuba 100 exhibition).  1995.  Softbound with dust jacket, 5 3/4 x 8 1/4″, 181 pages in Japanese.  Seems like there are more than one hundrd great tsuba in black & white and a few color photos.  The book is in excellent condition.  14 ounces.  $30.