My sister never read / had never read book until she was five.
Can I use both of them?
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My sister never read a book until she was five.
My sister had never read a book until she was five.
Both of these sentences are grammatically correct and the meaning is the same. I would use the second version had never read if I wanted to emphasize that the situation changed a lot when she became five, for example:
My sister had never read a book until she was five, but since then I have never seen her without one.
Note that you need an a before book.