Where Could the Shades of Magic Series Travel to Next?

Reading VE Schwab's Shades of Magic

Having reached the halfway point in A Darker Shade of Magic, it’s time to reconnoiter and talk about what the magic system in Schwab’s universe seems to convey about the timelines and centers of magical power. We’ve got the four Londons, of course, but the world is vast and magic is all over the place (or was, at any rate). Where could the story take us?

Here are a few of my thoughts so far…

Other Londons

So, real talk. Are there only four worlds, period? Could there be more? Don’t there have to be? My brain is always changing things into science fantasy rather than pure fantasy, so the problem with multiple worlds stacked on top of each other is that my assumption goes right to alternate universes—of which there should be a near infinite amount. How many Londons are there? Were all these worlds affected by the ...