"The Purloined Letter” author (3)
I believe the answer is:
poe
'the purloined letter author' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for poe that I've seen before include "American short story writer" , "Edgar Allan --, US writer" , "Entrance rooms; seeks support from" , "Edgar Allan . . ., American writer of creepy stories" , "The Raven writer" .)