Originally Posted by nessosin 
CS. Lewis Narnia is a propaganda? Since when?
It's Christian philosophy, packaged to be easily sold to children. It also has some elements that I find morally abhorrent and would not allow my children to read on their own, without subsequent discussion. Specifically, Susan's fate.
(Of course "propaganda" is usually used for politics, so feel free to substitute "evangelism" if you're more comfortable with the term in this context.)