The most common and most likely answer to this crossword clue is the 7 letter word CARROLL
I've seen this crossword clue in The Times
C
A
R
R
O
L
L
More clues leading to the result CARROLL
- Author offering a smaller version of the double-decker sandwich?
- Dodgson right in tune with literature initially
- Wheels turn handle used by writer
- Wheels turn for author
- Writer of song on the radio
- Oxford author in vehicle meeting with sort of accident?
- Author‘s list of vehicles
- Children’s author heard song
- Children's author in vehicle, luxury one no end
- Revolutionary driving experience for author?
Buddy explains!

The straight part
We know that "Author" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case author = carroll.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.