You are looking at a very old, but free version of the course.
If you are interesed the most recent version, check it out
on the Perl Maven site.
LWP::Simple is, well, simple.
LWP on the other hand enables you to do a lot of things
Setting the User Agent
Support for cookies
But is it not simple.
If you are interested in on-site trainings by the author, please
contact me directly.