I've had the Juranitch book for years. Good basic information but we've come a long way since then. The book is twenty-three years old. Juranitch assumes that all angles are flat because he's sharpening chisels. Not so in this case. The entire backside of a Japanese single bevel knife is hollow ground as is
the large bevel on the front, a totally different animal than Juaranitch was dealing with. He's probably never even seen a Japanese knife. Anyway, I shelved his book a long time ago because I'm really not interested in sharpening ice augers, chain saws, arrowheads, and fish hooks. He also shamelessly pushes his products in a book that I had to pay for. Good basic information, that's it.
Did you read the reference
I posted above? That
is the way you sharpen a Japanese knife.