Going back to Narnia as a grown-up

It's about 200 pages and I finished it in one sitting with a cup of tea. I remembered the snow and the lamp post and the Turkish delight, which as a kid I imagined as the most amazing food in existence. Then I tried some and was very disappointed.

Yes, the religious allegory is obvious once you know about it, and I don't mind. It's the feeling of a door in an ordinary house that I went back for, and that still works on me.