ISBN

Rarity: Legendary

The highest rarity, kept for the best known topics on the planet.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Work

Domain

Arts and letters

Knowledge cost

5

In collections

Nobody has pulled it yet.

What Wikipedia says

The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase or receive ISBNs from an affiliate of the International ISBN Agency.

Excerpt from the Wikipedia article “ISBN”, under the CC BY-SA 4.0 license. Read the article on Wikipedia