The Deity

I was reading a book, "Understanding the Koran". It turns out it was written by a Christian, who seemed to constantly try to tell any Muslim readers how they are missing out in the loving relationship they get with God, if they converted to Christianity.

It made me think. Has this person read the entire Koran at all? Does the book not say to not worship as the trinitarians do. And that those who do not stop, will be punished severely? It even downplayed the idea of Jesus being born of a virgin mother Mary. How strange is our religious world today, where some Christians are downplaying their own religion's miracles...