Catherine Schwarz Books

The Chambers Crossword Dictionary

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This crossword dictionary is for solvers and lovers of crosswords of all kinds. Compiled from Chambers' extensive wordlists and databases, this book includes over 290,000 words arranged into over...

Chambers English Dictionary

By Catherine Schwarz

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The Chambers Dictionary

By Catherine Schwarz

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Chambers Concise Dictionary Thumb Indexed

By Chambers

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Chambers Thesaurus

By Catherine Schwarz

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Chambers Paperback Thesaurus

By Catherine Schwarz

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Chambers Thesaurus

By Catherine Schwarz

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Chambers Maxi Paperback Dictionary

By Catherine Schwarz

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Chambers Compact Dictionary

By Catherine Schwartz

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Chambers Mini Thesaurus

By Catherine Schwarz

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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.