Crossword Genius

Rude books shown with large woman topless (8)

Ross

I believe the answer is:

ignorant

I'm a little stuck... Click here to teach me more about this clue!

'rude' is the definition.
(I've seen this before)

'books shown with large woman topless' is the wordplay.
I cannot really understand how this works, but
'books' could be 'nt' (abbreviation for New Testament) and 'nt' is found in the answer.
'woman' could be 'ora' and 'ora' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for ignorant that I've seen before include "Lacking in education" , "Discourteous" , "Devoid of knowledge" , "Illiterate - unaware" , "Knowing nothing" .)

I've seen this clue in The Sun.
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