Ryan Christopher Books

"This book is the first comprehensive study of Schopenhauer's philosophy of religion. It develops a contextual account of Schopenhauer's relation to the religions of India by placing his interpreta...

Company directors

By Ryan Christopher

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Echte Legenden Sind Im Marz 1958 Geborenh Geschenk 64 Geburtstag Mann

By Ryan Christopher

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Echte Legenden Sind Im Marz 1934 Geborenh Geschenk 88 Geburtstag Opa

By Ryan Christopher

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Echte Legenden Sind Im Marz 1933 Geborenh Geschenk 89 Geburtstag Opa

By Ryan Christopher

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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.