"The Witches of Eastwick" author (6)
I believe the answer is:
updike
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the witches of eastwick author</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for updike that I've seen before include "John --, US author" , "John --, US novelist" , "American author, John, b.1932" , "John ---, Rabbit novelist" .)