Your friend saw this resource on bethinking.org and thought you should see it:
Francis Schaeffer's "True Truth"
A reflection on the life of Francis Schaeffer, particularly getting into his ideas on Truth and their relevance for today.
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/truth/francis-schaeffers-true-truth
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bethinking.org is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.