Dear Reader - Some Readership Measurement Questions ... and Some Answers

Name: Dear Reader - Some Readership Measurement Questions ... and Some Answers
Brand: RSL (Research Services)

Compiled automatically from public product data — the attributes on this page are assembled from the sources we hold, not written by a person or drafted by AI, and individual pages are not reviewed one by one. How we use AI →

RSL (Research Services) Dear Reader - Some Readership Measurement Questions ... and Some Answers is a press & journalism identified by EAN 9780904315042.

9780904315042 Certainty 60%

Brand: RSL (Research Services)
Category: press & journalism
Barcode type: EAN-13 / GTIN-13
GS1 registered country: Bookland (ISBN-13)
Data confidence: 60%

Product Details

Barcode (EAN/GTIN)	9780904315042
Product name	Dear Reader - Some Readership Measurement Questions ... and Some Answers
Brand / Manufacturer	RSL (Research Services)
Category	press & journalism
GS1 Prefix	978 — registered in Bookland (ISBN-13)
Barcode type	EAN-13 / GTIN-13
Data certainty	60%

Verified Product Facts

The barcode 9780904315042 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 requiredno

Package weight505 grams

UNSPSC code55101500

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, Health Canada, US FDA, Transport Canada and 18 other national safety agencies (2026-10-24). 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. Browse recalls by agency, country or year →

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Barcode Lookup API

Access this product programmatically via the ProductGuru free API:

GET https://myproduct.guru/scan/9780904315042

GET https://myproduct.guru/lookup/9780904315042.json

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

About EAN Barcode 9780904315042

Barcode 9780904315042 is a EAN-13 (GTIN-13) identifying Dear Reader - Some Readership Measurement Questions ... and Some Answers 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: RSL (Research Services)
Scan compatibility: readable by any smartphone barcode scanner app

Frequently Asked Questions

What product has barcode 9780904315042?

Barcode 9780904315042 is Dear Reader - Some Readership Measurement Questions ... and Some Answers, sold under the brand RSL (Research Services).

Who manufactures barcode 9780904315042?

RSL (Research Services) is recorded as the manufacturer of Dear Reader - Some Readership Measurement Questions ... and Some Answers (barcode 9780904315042).

What country is barcode 9780904315042 from?

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

Is barcode 9780904315042 a valid EAN?

Yes, 9780904315042 is a valid EAN-13 barcode with correct check digit.

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