This is an invaluable resource. Clear explanations and frank opinions enable readers to evaluate the condition of a blade, determine whether it is healthy or problematic, and easily recognise the fundamental elements that characterise works of enduring value.
Nobuo Nakahara was the apprentice of a leading Japanese sword specialist, until 1978, when he went out on his own. He publishes a bi-monthly Japanese sword journal, lectures frequently, and is the author of several books in Japanese.