First, thank you for your response. We have provided a long list of perl resources (most free) to include book recommendations. I do want to reiterate that the point of these "homework" assignments is to give achievable tasks for beginners as the primary objective and "extra credit" for intermediate students as secondary. Writing modules (OO or otherwise) is beyond the scope of what I consider beginner perl. I do own a copy of Intermediate Perl (back when it was hideously called "Learning Perl Objects, References & Modules") but haven't found the exercises a good fit for the beginners.