Your friend saw this resource on bethinking.org and thought you should see it:
Paganism Strikes Back: the Return of Ancient Spirituality
What has led to the rise of modern paganism? This talk helpfully assesses the challenge paganism poses to Christianity, and vice versa.
See the full resource online by visiting bethinking.org:
is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.