What are the best-selling light novels of all time?

I’ve been wondering about this as I was reminded about it thanks to a question I received recently.

As there doesn’t seem to be any approximate information about the subject—at least in English, or any other language that isn’t Japanese—I decided to go ahead and write a post about it, including the 25 best-selling light novels of all time by their total of volumes. Continue reading “On Best-selling Light Novels” →