Your friend saw this resource on bethinking.org and thought you should see it:
Sex and the iWorld - a review
This extensive study explores the debates around sexuality and identity, and argues that the Bible provides a more fulfilling model.
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/worldviews/sex-and-the-iworld-review
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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.