### Clue: Author taking month to pen a novel that's half-hearted (7)
### Answer: NABOKOV 
 ### Explanation: Definition: Author
 NOV(abbrev. for the month of November) **containing**(to pen) [ A + "book"(possibly a novel) **minus one of its inner letters**(that's half-hearted) ].
Answer: Vladimir, author of "Lolita".