I've used perl (but not regularly) for over 10 years now. Lately I've been thinking about re-learning perl, not only for me but also for teaching my son.
These are resources I think I might use.
Perl From 10,000 Feet (by petdance) http://www.petdance.com/perl/class
Programming:Perl (wikibooks) http://en.wikibooks.org/wiki/Programming:Perl>
Tinkering With Perl: A Child's Guide (Jonathan Hayward)
