Wolfgang Carstens Books

The Asylum Floor 3

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The Asylum Floor is a yearly anthology dedicated to honest, inspired writing in all its forms. This issue has 100 pages of poetry, fiction, and comics from Wendy Rainey, Catfish McDaris, Dave Rosko...

The Asylum Floor 2

By Brenton Booth, Catfish McDaris, Wolfgang Carstens

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Asylum Floor

By James Decay, Brenton Booth, Catfish McDaris, Wolfgang Carstens, Matt Borczon

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Crudely mistaken for life

By Wolfgang Carstens

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Asylum Floor 4

By Brenton Booth, Wendy Rainey, Wolfgang Carstens

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The abyss gazes also

By Wolfgang Carstens

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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.