In which author's novel is it "always winter but never christmas":
c s lewis
john masefield
jacob marley
sherlock homes

C.S. LEWIS is the author whose novel has a quote that says "always winter but never Christmas"

The above quote was mentioned in the novel entitled The Lion, The Witch, and The Wardrobe. It described Narnia. The magical placed discovered beyond the doors of the Wardrobe.

This novel was the first book that is part of a seven series high fantasy novel created by C.S. Lewis, The Chronicles of Narnia. It was published in 1949 but the idea was first entertained by C.S. Lewis in 1939.

The name Narnia was based from Narni, Italy with Latin equivalent Narnia. C.S. Lewis chose that name simply because he liked the sound of it. 

Ibelieve the answer is water and oil.