14a being my FOI made me spend way too long trying to make the epic poem by STR work!
I think I've got the right work now though and have a completed grid but am having trouble with the definition for 17a, which I've got ending in 'C' and an adjective rather that a noun.
Also, I have answers which I'm pretty sure of for 3d, 6d, 10d and 18d but can't work out the parsing.