in reply to Re^2: Is there a better way to learn Tk?
in thread Is there a better way to learn Tk?
Mastering Perl is available on line through Mastering Perl/Tk. Whether this is a legal copy or not,Let's see, the link points to Ukrainian domain, and the URL misspells the name of the publisher.
What would your guess be about its legal status?
In Section Seekers of Perl Wisdom