The Modern Perl book[1] is highly recommended.

For web development, check out Mojolicious[2] or Dancer2[3]

And Task::Kensho[4] lists recommended modules for various tasks.

[1] http://modernperlbooks.com/books/modern_perl_2014/

[2] https://metacpan.org/release/Mojolicious

[3] https://metacpan.org/release/Dancer2

[4] https://metacpan.org/pod/Task::Kensho