Mastering Algorithms with Perl: Practical Programming Through Computer Science
Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques
Beginning Perl
Extending and Embedding Perl
Automating System Administration with Perl: Tools to Make You More Efficient
Perl Cookbook, Second Edition
Programming Perl: Unmatched power for text processing and scripting
Higher-Order Perl: Transforming Programs with Programs
Perl Best Practices
Perl Hacks: Tips & Tools For Programming, Debugging, And Surviving