The most common and most likely answer to this crossword clue is the 6 plus 5 letter word OLIVER TWIST
I've seen this crossword clue in Independent
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More clues leading to the result OLIVER TWIST
- No meat: bread roll for hungry boy
- He asked for more old meat and a bit of lemon?
- Lover I found by taking this novel literally?
- Novel food embraced by two cooking originally
- Look up “green”in OT
- Novel from Hardy, for example, with surprise ending
- Suspect I’ve writ lots? I want some more!
- Men are devious, capturing surviving orphan
- Birtwistle sheds irritability after wrong viol note: he requested more
- Novel lover is twit, sadly
Buddy explains!

The straight part
We know that "&lit-ish/CD?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case &lit-ish/cd? = oliver twist.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.