The most common and most likely answer to this crossword clue is the 6 letter word OCTAVO
I've seen this crossword clue in Financial Times
O
C
T
A
V
O
More clues leading to the result OCTAVO
- Ring tax company about book of a certain size
- Tax firm going back over books to such an extent
- Old tax firm’s revolutionary book
- Old firm receives box containing a book
- Book shows round about zero tax return
- Engine not starting, tank fills up — might this be the size of the issue?
- Range of notes, not English, found with old book
- Loves having rewritten Act 5 in book
- Volume of tax held over by company starting with nothing
- Zero-tax company turned over in paper?
Buddy explains!
The straight part
We know that "book" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case book = octavo.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 OCTAVO mean?
OCTAVO noun- A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11.43 to 15.24 cm) wide, the size varying with the large original sheet used to create it. It is made by folding the original sheet three times to produce eight leaves.
- A book of octavo pages.