The Hugo is for Best Fan Writer (not Best thing written by a fan).
You wouldn’t nominate “Harry Potter and the Methods of Rationality”, you would nominate the person who wrote it
Usually a body of work produced in a given year is what’s looked at by the members of Worldcon. Nothing says it needs to be non-fiction, though usually most of it is.
The Hugo is for Best Fan Writer (not Best thing written by a fan).
You wouldn’t nominate “Harry Potter and the Methods of Rationality”, you would nominate the person who wrote it
Usually a body of work produced in a given year is what’s looked at by the members of Worldcon. Nothing says it needs to be non-fiction, though usually most of it is.