Off-topic: The plover.com domain caught my eye. He is the author of 'Higher Order Perl'[1][2], which is to this date, one of my most favorite programming language books I've read and my first (and imho, best) introduction to functional programming.
The book is free to download!
[1] http://hop.perl.plover.com/ [2] https://en.wikipedia.org/wiki/Higher-Order_Perl