The metadata says this was digitized by the Internet Archive in 2016. There is a better scan of a better copy of the book at the Internet Archive's library:

https://archive.org/embed/razoredgebookofs0000jura

I don't know whether the book is still in print, but it's in stock at Amazon:

https://www.amazon.com/Razor-Edge-Book-Sharpening/dp/0966605...