Michael White said something like:
Can you glue the three pieces together to form the top, then glue that top
to the table underpinning? I've put together a 4' x 4' bookcase using
just
glue, and it'll hold together quite well.

I could, but have dismissed the glues because this is something potentially
outdoors...perhaps that was premature?
--
If I can ever figure out how, I hope that someday I'll
succeed in my lifetime goal of creating a signature
that ends with the word "blarphoogy".