Yoshida's Dilemma is also now available on Amazon Japan here (though listed at the moment as being temporarily out of stock)
I have also received my first reader feedback, from a Mr. Alan Stringer in the UK, who says:
"I read it over the past 2 days. As someone who has run multiple thermal power plants the book provides a great overview of processes, controls etc in a very good non-technical view. I am glad I never faced anything like these challenges."