Edward Einhorn Books

Oz Story 3

By John R. Neill, Eric Shanower, Edward Einhorn, L. Frank Baum, David Maxine

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The Golem Methuselah And Shylock

By Edward Einhorn

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The Golem Methuselah And Shylock

By Edward Einhorn

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A Very Improbable Story

By Edward Einhorn

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A Very Improbable Story

By Edward Einhorn Author Adam Gustavson Illustrator

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What are the odds?Ethan wakes up one morning to find a very strange cat stuck on his head. The cat, Odds, refuses to budge until Ethan wins a game of probability. Without looking, Ethan must pick o...

A Very Improbable Story

By Edward Einhorn, Adam Gustavson

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Paradox in Oz

By Edward Einhorn

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The Living House of Oz

By Edward Einhorn

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Playing Dreidel A Play

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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.