Diary: how to improve the world (you will only make matters worse)

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 →

Diary: how to improve the world (you will only make matters worse) is an arts identified by EAN 9781938221101.

9781938221101 Certainty 50%

Category: arts
Barcode type: EAN-13 / GTIN-13
GS1 registered country: Bookland (ISBN-13)
Data confidence: 50%

Product Details

Barcode (EAN/GTIN)	9781938221101
Product name	Diary: how to improve the world (you will only make matters worse)
Category	arts
GS1 Prefix	978 — registered in Bookland (ISBN-13)
Barcode type	EAN-13 / GTIN-13
Data certainty	50%

Verified Product Facts

The barcode 9781938221101 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 weight476 grams

ManufacturerSIGLIO PR

Number of items1

Package dimensions21.6 × 15.2 × 2 centimeters (L×W×H)

Package weight0.459995 kilograms

Product dimensions6 × 1 × 9.5 inches (L×W×H)

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 (2026-10-15). 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/9781938221101

GET https://myproduct.guru/api/search?q=9781938221101

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

About EAN Barcode 9781938221101

Barcode 9781938221101 is a EAN-13 (GTIN-13) identifying Diary: how to improve the world (you will only make matters worse) 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)
Scan compatibility: readable by any smartphone barcode scanner app

Frequently Asked Questions

What product has barcode 9781938221101?

Barcode 9781938221101 is Diary: how to improve the world (you will only make matters worse).

Who manufactures barcode 9781938221101?

SIGLIO PR is recorded as the manufacturer of Diary: how to improve the world (you will only make matters worse) (barcode 9781938221101).

What country is barcode 9781938221101 from?

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

Is barcode 9781938221101 a valid EAN?

Yes, 9781938221101 is a valid EAN-13 barcode with correct check digit.

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