The cover has a presentation stamp, but otherwise, it is in good condition. This is a rare book, self-published, limited to 300 copies, not for sale (1975/11), and a booklet-style book of 100 pages. The top and edges show signs of wear due to aging, but the text is in good condition. There is a presentation stamp on the cover. This booklet studies the period when Hojo Ujiteru became the adopted son of Oishi Sadahisa. It also includes research on the Oishi and Mita clans.