World Book Encyclopedia Books

Presents the results of the 2000 census with state by state demographics and a look at such topics as birth and death rates, immigration, population figures and the government, ethnic groups, and more

Connections 5 Vol Set

By World Book Encyclopedia

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The World Book student dictionary.

By World Book Encyclopedia

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An illustrated dictionary with about 11,000 entries, plus sections such as "How to Use Your Dictionary," "Student Exercises," "Pronunciation Guide," and "Reference Section."

Inspector McQ 3 Volume Set

By World Book Encyclopedia

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.