Abbreviation for a unique numeric commercial book identifier created in 1966
Crossword clue · 1 known answers · 2 appearances · Last seen in the The Independent crossword on December 13, 2025
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ISBN
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The clue “Abbreviation for a unique numeric commercial book identifier created in 1966” has appeared 2 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the The Independent crossword on December 13, 2025, where the answer was ISBN.