David L. Seidman Books

The first casualty

By David L. Seidman

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The tale of Cutter's treasure

By David L. Seidman, David Seidman

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Rush is about to embark on a dangerous quest to rescue his little brother. With the help of a family ghost and a doctor named Vink, Rush must confront the bloodthirsty pirate, Jonas Cutter, who has...

Hatching a Plan

By David Seidman

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Hercules legendary journeys 4 the first casuality Hercules the Legendary Journeys

By David L. Seidman

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Hercules the First Casualty Hercules

By David L. Seidman

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Hercules the Legendary Journeys Two Book Collection

By David L. Seidman

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Taking Your Pet to the Vet

By David L. Seidman

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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.