The most common and most likely answer to this crossword clue is the 5 plus 3 plus 5 letter word BRAVE NEW WORLD
I've seen this crossword clue in The Daily Telegraph
B
R
A
V
E
N
E
W
W
O
R
L
D
More clues leading to the result BRAVE NEW WORLD
- Novel, excellent symphony
- Novel and courageous symphony?
- Fantastic war novel we borrowed on vacation about resistance work
- Learner in tangled web overdrawn in dystopian novel
- Getting overdrawn, blew out perfect society
- British hail American dystopian novel
- Novel and daring symphony?
- Hostile Indian continent named by explorers as a dystopia
Buddy explains!

The straight part
We know that "Novel" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case novel = brave new world.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.