Wanting calm ambience, books somewhere to eat (10)

I believe the answer is:

restaurant

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'somewhere to eat' is the definition.
I can't judge whether this defines the answer.

'wanting calm ambience books' is the wordplay.
'wanting' means one lot of letters go next to another.
'calm' becomes 'rest' (I've seen this before).
'ambience' becomes 'aura' (I've seen this in another clue).
'books' becomes 'NT' (New Testament).
'rest'+'aura' is 'restaura'.
'restaura'+'nt'='RESTAURANT'

Can you help me to learn more?

(Other definitions for restaurant that I've seen before include "table here?" , "Eatery" , "Eating place" .)

I've seen this clue in The Times and The Sunday Times.

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