“"The ___ Express" (kid-lit classic)” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.POLAR is the answer to the New York Times crossword clue “"The ___ Express" (kid-lit classic)”. It was last seen in the puzzle of June 2, 2025, where it runs at 69 Across and fills 5 squares. It crosses 5 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.