It's a PDF, right? It's an experiment, there are more e-books available for that price, including several Perl books: http://use.perl.org/~brian_d_foy/journal/

It's a PDF, right? It's an experiment, there are more e-books available for that price, including several Perl books: http://use.perl.org/~brian_d_foy/journal/39524 http://use.perl.org/~brian_d_foy/journal/39524