C. Frederick Books

Galway Merchants in the Early Modern World

By C. Frederick

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Fascial Stretch Therapy

By C. Frederick, A. Frederick

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Fascial stretch therapy

By Ann Frederick

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Fascial Stretch Therapy describes and explains a unique system of manual therapy, which has proved to be highlyl successful in the treatment of common neuromyofascial imbalances, disorders and dysf...

Moonlit Sunrise

By C. Frederick

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Journal with Bible Verses

By C. Frederick

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52 Week Appointment Planner and Calendar

By C. Frederick

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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.