A. R. Schaefer Books

Healthy Food

By A. R. Schaefer

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The Triangle Shirtwaist Factory fire

By A. R. Schaefer

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Explains the circumstances that led to the tragic 1911 garment factory fire that killed 146 people, examines the role of unions and reformers, and details how public opinion eventually forced state...

Healthy Food

By A. R. Schaefer

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Africa

By A. R. Schaefer

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Antarctica

By A. R. Schaefer

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Asia

By A. R. Schaefer

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Monster Trucks

By A. R. Schaefer

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Motocross Cycles

By A. R. Schaefer

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Exercise

By A. R. Schaefer

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Looks at the different things we can do to exercise and keep healthy.

Dale Earnhardt Jr

By A. R. Schaefer

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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.