The most common and most likely answer to this crossword clue is the 6 letter word AUSTEN
I've seen this crossword clue in The Guardian
A
U
S
T
E
N
More clues leading to the result AUSTEN
- Novelist finding little energy in dotty aunts
- Australian university returns bags
- Writer with 27 endlessly able to produce 9
- Female novelist in same state as 20, we hear
- Novelist, antipodean figure?
- Poet has saint for daughter, another writer
- Gold bag brought over containing small pen
- Egyptian god captivates American writer
- A university bags retiring writer
- She wrote ‘A Transatlantic Decade’
Buddy explains!

The straight part
We know that "Writer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case writer = austen.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.