perl package 6 books

perlpackage.Oreilly.Perl.Cookbook.2nd.Edition.eBook-LiBOreilly.Practical.Mod.Perl.eBook-LiBPerl_6_Essentials_(O'Reilly-2003)O'reilly-LearningPerlOreilly.Learning.Perl.Objects.References.And.Modules.eBook-LiB