I have the Oreilly Book Shelf containing 4 Books. Plus Picking up Perl.
This is what is generally recommended
Beginners
* Top Shelf
o Learning Perl or Learning Perl on Win32 Systems
o Perl Cookbook
o Perl man pages
o Perl FAQ
* Second Shelf
o Programming Perl
* Cross-Reference - Intermediate Level
o Effective Perl Programming
* Back Shelf
o Perl5 Pocket Reference
o Official Guide to Programming with Cgi.pm
o Perl Resource Kit - Unix Edition or Perl Resource Kit - Win32 Edition
Intermediate
* Top Shelf
o Programming Perl
o Effective Perl Programming
* Second Shelf
o Mastering Regular Expressions
o Perl Cookbook
o Perl man pages
o Perl FAQ
* Cross-Reference - Advanced Level
o Advanced Perl Programming
* Back Shelf
o Perl5 Pocket Reference
o Perl/Tk Pocket Reference
o Official Guide to Programming with Cgi.pm
o Perl Resource Kit - Unix Edition or Perl Resource Kit - Win32 Edition
Advanced
* Top Shelf
o Effective Perl Programming
o Mastering Regular Expressions
* Second Shelf
o Programming Perl
o Advanced Perl Programming
o Perl man pages
* Back Shelf
o Perl5 Pocket Reference
o Perl/Tk Pocket Reference
o Official Guide to Programming with Cgi.pm
o Perl Resource Kit - Unix Edition or Perl Resource Kit - Win32 Edition
o Perl FAQ