Arnold John Books

Accounting for Management Decisions

By Arnold John

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Accounting for maagement decesions

By Arnold John

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Accounting for Management Decisions

By Arnold John

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Heresy and inquisition in France, 1200-1300

By Arnold John, Peter Biller

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Heresy and inquisition in France, 1200-1300 is an invaluable collection of primary sources in translation, aimed at students and academics alike. It provides a wide array of materials on both heres...

What is medieval history?

By Arnold John

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Accounting for Management Decisions

By Arnold John

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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.