Susannah Appelbaum Books

Divah

By Susannah Appelbaum

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Divah

By Susannah Appelbaum

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The Hollow Bettle: The Poisons of Caux 9-Copy Floor Display

By Susannah Appelbaum

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The Poisons of Caux: The Tasters Guild (Book II)

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The Poisons of Caux, Book IIA macabre and funny fantasy trilogyAfter the perilous adventure of The Hollow Bettle (Book I), the dark reign of the Nightshades is over at last, and a new day has arriv...

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.