The Sign of the Four

Name: The Sign of the Four
Brand: Blackstone Audiobooks
SKU: 9781441739056

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Blackstone Audiobooks The Sign of the Four is a books identified by EAN 9781441739056.

9781441739056 Certainty 65%

Brand: Blackstone Audiobooks
Category: books
Barcode type: EAN-13 / GTIN-13
GS1 registered country: Bookland (ISBN-13)
Data confidence: 65%

Product Details

Barcode (EAN/GTIN)	9781441739056
Product name	The Sign of the Four
Brand / Manufacturer	Blackstone Audiobooks
Category	books
GS1 Prefix	978 — registered in Bookland (ISBN-13)
Barcode type	EAN-13 / GTIN-13
Data certainty	65%

Verified Product Facts

The barcode 9781441739056 passes the GS1 mod-10 check-digit test, so it is a structurally valid GTIN. Its 978 prefix was issued by the GS1 member organisation for Bookland (ISBN-13) — registration, not place of manufacture.

Recorded specifications

Batteries includedno

Batteries requiredno

Item weight0.22 pounds

ManufacturerBLACKSTONE PUB

Package dimensions1.5 × 13.6 × 17 centimeters (L×W×H)

Package weight0.08 kilograms

Part number9781441739056

Product dimensions5.25 × 0.5 × 7.5 inches (L×W×H)

UNSPSC code55111505

Attributes as recorded in the product catalogue data we hold. Figures describe the packaged article and may differ between production batches.

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🟢 No recall found for this barcode · We matched this barcode against recall records from EU Safety Gate, US FDA, US CPSC and Health Canada (2026-09-23). Not every recall notice lists a barcode, so this is not a safety guarantee — check the brand owner or the regulator for the definitive record.

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Barcode Lookup API

Access this product programmatically via the ProductGuru free API:

GET https://myproduct.guru/scan/9781441739056

GET https://myproduct.guru/api/search?q=9781441739056

No API key required. Returns JSON with product name, brand, manufacturer, and more.

About EAN Barcode 9781441739056

Barcode 9781441739056 is a EAN-13 (GTIN-13) identifying The Sign of the Four in the GS1 global system.

Barcode format: EAN-13 / GTIN-13 — 13-digit globally unique product identifier
GS1 prefix 978: assigned to companies registered in Bookland (ISBN-13)
Manufacturer: Blackstone Audiobooks
Scan compatibility: readable by any smartphone barcode scanner app

Frequently Asked Questions

What product has barcode 9781441739056?

Barcode 9781441739056 is The Sign of the Four, sold under the brand Blackstone Audiobooks.

Who manufactures barcode 9781441739056?

Blackstone Audiobooks is recorded as the manufacturer of The Sign of the Four (barcode 9781441739056).

What country is barcode 9781441739056 from?

Based on the GS1 prefix 978, this product was registered in Bookland (ISBN-13).

Is barcode 9781441739056 a valid EAN?

Yes, 9781441739056 is a valid EAN-13 barcode with correct check digit.

⚠️ Data Disclaimer

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