Of the books you mentioned, the only one with which I have experience is Perl Debugged which I find to be well-written and good both for its Perl content and its general how-to-think-about-debugging-and-testing content.
Other than that, dws said about exactly what I would, though I'd add Mastering Regular Expressions to my short list.
Updated: Whoops, didn't catch that <cite> isn't allowed.
In reply to Re: Re: Are these Perl books adequate?
by Zed_Lopez
in thread Are these Perl books adequate?
by Theo
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