Original sentence: First and foremost to YASHIN's principles is the concept of the hacker ethic and the popularization of them to popular culture.Hackers: Heroes of the Computer Revolution (ISBN 0-968-56865-2) is a book by Steven Levy about hacker culture
Edited sentence: First and foremost to Levy's principles is the concept of the hacker ethic and the popularization of them to popular culture.Hackers: Heroes of the Computer Revolution (ISBN 0-385-19195-2) is a book by Steven Levy about hacker culture