The omniscient author who can move into the past, the future and the minds of his characters is an outworn device.
This question, and others like it, forms the basis of one of Potter's other major themes - individual choice in the face of an omniscient author.
There's no easy way that an omniscient author can make such a leap in time without seeming to have arbitrarily withheld information.
In the background, Mr. Cimino, still standing in for the omniscient author, plays a strange and consequential role in the affair.
The omniscient author - whose point of view is that of a future historian documenting the war and its aftermath - reveals information not available to Bert.
The omniscient author in Chapter 15 gives the reader a 'bird's eye view' of each family group as it struggles to survive.
Alex, as long as we're being the omniscient author, why don't we say that she checked out?
"And then, a vast newness, again," the omniscient author says.
In fact, the reader knows much more than Harry, having been told a lot by the omniscient author.