Where can you buy a copy of The Tale Aragorn and Arwen by J.R.R. Tolkien?

The Tale of Aragorn and Arwen is not a standalone work by J.R.R. Tolkien. It's a short story that is included in the book "Unfinished Tales of Númenor and Middle-earth".

Therefore, you can buy a copy of "Unfinished Tales of Númenor and Middle-earth" to read The Tale of Aragorn and Arwen. It's available at most bookstores, online retailers like Amazon, and libraries.