Irish writer on a bender beginning to imagine novel (4,6)

I believe the answer is:

edna obrien

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'irish writer' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'on a bender beginning to imagine novel' is the wordplay.
'beginning to' suggests taking the first letters.
'novel' indicates anagramming the letters (letters in a new or novel order).
The first letter of 'imagine' is 'i'.
'on'+'a'+'bender'+'i'='onabenderi'
'onabenderi' anagrammed gives 'EDNA OBRIEN'.

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