[Perl] e-book and tutorial for Perl

Beginning Perl
http://learn.perl.org/library/beginning_perl/

Perl 5 by Example
http://www.codebits.com/p5be/

Perl e-Book:
http://www.freeprogrammingresources.com/perlbook.html

Introduction to Perl (from University of Missouri - Columbia):
http://www.cclabs.missouri.edu/things/instruction/perl/perlcourse.html

Perl Tutorial:
http://www.comp.leeds.ac.uk/Perl/start.html