Bob Callaghan Books

Sexuality
Sexuality

By Susannah Cornwell, Bob Callaghan

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Poverty
Poverty

By Bob Callaghan, Susan Durber

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Disability
Disability

By John Hull, Bob Callaghan

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Sexuality
Sexuality

By Susannah Cornwall, Bob Callaghan

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Ethnicity
Ethnicity

By Michael Jagessar, Bob Callaghan

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Gender
Gender

By Bob Callaghan, Rosemary Lain Priestley

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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.

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