"I wish the Prof had time", I said,
"To talk of many things:
Of Elves--and Dwarves--and ME maps--
Of Dunedain--and Kings--
And why dragon breath is boiling hot--
And if Balrogs have wings."
Oh,
Tuor in Gondolin, I heard that JRRT wrote a story about the Travels of Aragorn but the manuscript was subsequently lost

.
I've wanted more info on Lindon and the Grey Havens. Imagine a biography of Cirdan - he'd been in Middle Earth right through (possibly even from Cuivienen), I bet he had a good tale or two!