The most common and most likely answer to this crossword clue is the 4 plus 6 letter word BEST SELLER
I've seen this crossword clue in The Guardian
B
E
S
T
S
E
L
L
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R
More clues leading to the result BEST SELLER
- Birdsong, perhaps, in worst dungeon, by the sound of it?
- Top salesman, hardly needed to shift this?
- Most excellent prophet embodying lines from the Bible perhaps
- Bell steers suspect to popular book
- Most successful rep gets a popular book
- Book having success after footballer’s decapitated bank clerk
- Success story?
- One treasured by shop owners?
- Top wine collection mentioned in book?
Buddy explains!
The straight part
We know that "popular book" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case popular book = best seller.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.
What does BEST SELLER mean?
BEST SELLER noun- A book or other product that has sold in large numbers.