What is the answer to "Book's backbone" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Book's backbone" is SPINE (5 letters).

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Book's backbone Newsday Crossword Clue

Across clue · from the February 15, 2026 puzzle

Stuck on “Book's backbone” from the Newsday Crossword? Here is the verified answer:

Answer

SPINE

5 letters · Across · last seen February 15, 2026

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