If you read novels of the 19th century, they're pretty...

If you read novels of the 19th century, they're pretty experimental. They take lots of chances; they seem to break a lot of rules. You've got omniscient narrators lecturing at times to the reader in first person. If you go back to the earliest novels, this is happening to a wild extent, like 'Tristram Shandy' or 'Don Quixote'.