The following books were put together by Gábor Szabó, the author of the Perl Maven site.
For other books (unrelated to Perl 5) visit the Code Maven books.
For the full list see the profile page on Leanpub.
Beginner Perl Maven
Single Page Application with Perl Dancer
Creating a Markua parser in Perl 5
Collaborative Development using Git and GitHub
This includes examples in Perl 5 as well.
Automated Configuration Management using Ansible
CI/CD automation with Jenkins
Web Application Development in Perl 6 - Bailador
This one should be renamed Web Application Development in Raku and all the content needs update.
