Seidel Peter Books

There is still time

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"Irrefutable evidence makes it clear that we are headed for massive human misery as our planet's health rapidly worsens, yet we fail to respond in a rational, meaningful way. There Is Still Time sh...

Invisible walls

By Seidel Peter

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Invisible walls

By Seidel Peter

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Unterwelten

By Seidel Peter

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Unterwelten

By Seidel Peter

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Ganz rein

By Seidel Peter

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2045

By Seidel Peter

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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.