Recommended Books

Randal L. Schwartz: Lerning Perl - O'Reilly This book covers a bit more than the Fundamentals course
Modern Perl book
Tom Christiansen: Perl Cookbook - O'Reilly Huge repository of examples and explanations covering lots of areas where you'll use Perl.
Larry Wall: Programming Perl - O'Reilly The ultimate source for Perl written by the experts. This is NOT for the beginner !
Peter J. Scott: Perl Medic (Addison Wesley) For people who need to maintain Perl code or who need to write maintainable Perl code.
Damian Conway: Perl Best Practices - O'Reilly