Intermediate Perl: Beyond The Basics of Learning Perl

Learning Perl: Making Easy Things Easy and Hard Things Possible

Perl Cookbook: Solutions & Examples for Perl Programmers (COOKBOOKS)

Programming Perl: Unmatched power for text processing and scripting

Mastering Perl: Creating Professional Programs with Perl

Learning Python: Powerful Object-Oriented Programming

Perl One-Liners: 130 Programs That Get Things Done

Learning Perl Student Workbook

Fluent Python: Clear, Concise, and Effective Programming

Perl Best Practices: Standards and Styles for Developing Maintainable Code

Mastering Regular Expressions: Understand Your Data and Be More Productive