Thread: What is the oldest known complete written work that is still available today?

I know some of the books by Flavius Josephus, Herodotus, Tacitus, Moses, et cetera, are still available in their complete form, most other writings are available in fragments or as quotations by other ancient writers. I would like to know what is the oldest known book that is still available in it's complete form.

The Tale of Genji. The world's first novel.

The Old Testament
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