Doone of fiction (5)
I believe the answer is:
lorna
'doone of fiction' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lorna that I've seen before include "-- Doone (book)" , "girl" , "Female" , "and 21 Down: Novel by R.D. Blackmore" , "-- Doone, novel" .)