http://www.perl.com/pub/a/2008/04/23/a-beginners-introduction-to-perl-510.html
...excellent. Clear, straightforward, and, as it's in HTML -- you lift examples straight to Strawberry Perl or ActivePerl...
I copy the text of a page and blocking non-Perl text with =pod...=cut (making it comment) .
EXAMPLE:
=pod
...this is _just_ text
=cut
$code=5;print $code; # this is code...