Here is Esaka's Sensei's address in Japan.
Please do NOT share this address.
Please DO send him a card or letter thanking him for his life's work and especailly making this very special art available to us
H. Esaka (sensei)
Kawaraduka 165-3, Matsudo-shi, Chiba-ken 270-2254, Japan
千葉県松戸市河原塚165-3 （〒270-2254）