Guerrilla Marketing for Free: Dozens of No-Cost Tactics to Promote Your Business and Energize Your Profits

Basic information on record for this barcode. Check its recall status and where to find it below.

Barcode (EAN/GTIN)	9780547347158
Brand	Houghton Mifflin Harcourt Publishing Company
Category	marketing
GS1 registrant	International ISBN Agency (ISBN (Books))

🟢 No active recalls on file · Checked against EU Safety Gate, US FDA, US CPSC and Health Canada datasets (2026-07-16).

ProductGuru is an independent information service showing basic product identifiers and public GS1 data. Not legal or safety advice — for the definitive record, check the brand owner.

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