Exciting tale involved her till end of November (8)
I believe the answer is:
thriller
'exciting tale' is the definition.
'involved her till end of november' is the wordplay.
'involved' indicates anagramming the letters.
'end of' says to take the final letters.
The last letter of 'november' is 'r'.
'her'+'till'='hertill'
'hertill' with letters rearranged gives 'thrille'.
'thrille'+'r'='THRILLER'
(Other definitions for thriller that I've seen before include "Suspenseful adventure story" , "Exciting book/film" , "Exciting story or film" , "exciting event" , "Very exciting contest" .)