Perl and XML: XML Processing with Perl

Perl & LWP: Fetching Web Pages, Parsing HTML, Writing Spiders & More

Open Source Development with LAMP: Using Linux, Apache, MySQL, Perl, and PHP

CGI Programming in C and Perl

Scripting with Objects: A Comparative Presentation of Object-Oriented Scripting with Perl and Python

Perl Pocket Reference, 4th Edition

Perl Programming for Beginners: An Introduction to Learn Perl Programming with Tutorials and Hands-On Examples

Mastering Perl/Tk: Graphical User Interfaces in Perl

Perl 6 at a Glance

Using Raku: 100 Programming Challenges Solved in the Raku Programming Language