There is no "revised edition" of the book (originally published in 1981), but you can find the complete text in several updated digital formats:
This categorization is brilliant because it moves away from vague instructions like "play it lightly" to concrete mechanical instructions: "employ staccato motion from the wrist." gyorgy sandor on piano playing pdf updated
You can copy and paste the text below into a document editor (Word, Google Docs) and save it as a PDF for your personal library. There is no "revised edition" of the book
: A digital "loan" version of the 1981 edition is often available for free viewing. gyorgy sandor on piano playing pdf updated
Utilizing the passing of the thumb and rotation of the forearm.