When I was a child, the default drive of my personality would arrange my books in a library like order (yes, believe it or not, I am a "J" by default). When I was 18, I would have arranged my books in order of OT to NT. I would have arranged from Matthew to Revelation.
Now that I am a man, my books are still arranged in blocks (so Hebrews goes together; Greek resources go together). But they are in a order of usefulness to me. Paul is closest at hand. Hebrews is not far. The farthest from me are the grammars, OT, and even the Gospels.
Herein is a parable. Pragmatism beats idealism in the real world.