Ruth Cathcart Books

Beyond the Classroom

By Michael Strong, Ruth Cathcart

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Beyond the classroom

By Ruth Cathcart

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A textbook of American language and culture for people with elementary knowledge of English. Focuses on such situations as shopping, looking for an apartment, and applying for a job.

Jacques & Hay

By Ruth Cathcart

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How firm a foundation

By Ruth Cathcart

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Real Conversations 1

By Sherry Vaughn, Ruth Cathcart

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Real Conversations 2

By Sherry Vaughn, Ruth Cathcart

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Seeking permanence in a new land

By Ruth Cathcart

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Seeking permanence in a new land

By Ruth Cathcart

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The architecture of a provincial society

By Ruth Cathcart

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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.