B850.  Modern Japanese Swords: The Beginning of the Gendaito Era by Leon & Hiroko Kaap and Leo Monson.  2015.  Softbound, 8 1/2 x 11″, 153 pages in English.  This book gives us a thorough history of Nihonto in the 20th century and then presents swords and short biographies of the primary smiths active in the period.  At the back is a glossary.

Other than for a slight curl to the front cover the book is in excellent condition.  1 pound.  Now $40.