1992 - Beating the System Hackers Phreakers and Electronic Spies the Inside Story of Edward Singh and the Electronic Underworld (Paperback) → Paperback ISBN-13: 9780747512011 ISBN-10: 0747512019 Genre: Computers & Technology ? 1990 - Beating the System Hackers Phreakers and Electronic Spies the Inside Story of Edward Singh and the Electronic Underworld (Paperback) → Paperback ISBN-13: 9780747505136 ISBN-10: 0747505136 Genre: Computers & Technology ? |