For those who don't know about the author of this post. His name is Mark Jason Dominus, the author of one the most awesome programming book that one can ever read.

Higher Order Perl, is available for free download. If you read it you will see some amazing insights into programming techniques most people would have never heard of encountered in MegaCorp jobs. You will also grow a great appreciation for Perl in general and understand how it can be an amazing language of choice for a wide variety of problems.