I don't know if this is your English teacher, but there is a book on this subject. <em>Planet Narnia: The Seven Heavens in the Imagination of C. S. Lewis</em>, by Michael Ward.
u/kittywiggles, if you're interested as well, it's a great book.
Well I get the obvious ones, I just know there’s some juice to every little line I’m probably not getting. Someone sent this link, this was what I was looking for, https://www.amazon.com/dp/019973870X/ref=cm_sw_r_awdo_3W51M9CMGC31FG2Z4QX7_0
If you are a fan of Narnia, you GOTTA read <em>Planet Narnia</em> by Michael Ward!