What is the answer to "Bookstore ID" in the WSJ Crossword?

The answer to the WSJ Crossword clue "Bookstore ID" is ISBN (4 letters).

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WSJ

Bookstore ID WSJ Crossword Clue

Down clue · from the August 21, 2026 puzzle

Stuck on “Bookstore ID” from the Wall Street Journal Crossword? Here is the verified answer:

Answer

ISBN

4 letters · Down · last seen August 21, 2026

1DPiping plastic, for short3 1ADiplomatic assignment4 2DCrew member3 3DEnterprise, e.g.9 4DThus far5 5AWeighs down5 5DOld Milanese money4 6DWorld’s heaviest snakes9 7D“Likewise!”5 8DBraggart’s attribute3 9DPut in order4 10AInfectious bug4