Crossword Genius

Musician’s assistant’s gripping novel (4-6)

Ross

I believe the answer is:

page-turner

I believe this clue is a double definition.

'musician's assistant's' is the first definition.
(someone turning pages for a musician)

'gripping novel' is the second definition.
(turn for an exciting novel)

(Other definitions for page-turner that I've seen before include "Book one can't put down" , "'Unputdownable' book" , "exciting book" , "Gripping book" .)

I've seen this clue in The Times.
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