Suzanne Hazard Books

Puzzle Box, Volume 2

By Peter Grabarchuk, Hasan Yurtoğlu, Donald Knuth, Tanya Grabarchuk, Gianni A. Sarcone, Suzanne Hazard, Serhiy Grabarchuk, Ed Pegg Jr., Andy Parr, Helen Grabarchuk, Richard Candy, Erich Friedman, Bogomolny, Alexander

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He who untied the Gordian knot would rule all of Asia. So goes the legend of the tricky knot of Gordius, king of Phrygia.Many had tried; many had failed, but Alexander the Great simplycut the knot...

Express Yourself!: Joyful Journaling For Kids

By Christine Boucher, Suzanne Hazard, Christine Boucher, Suzanne Hazard

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More than 100 colorful pages offer dozens of engaging prompts to help tweens and teens explore ways to maintain a positive outlook on life. With lots of space to make lists, add pictures, and expre...

In Wahrheit Leben Eine Naturwissenschaftlerin Zeigt Einen Weg Der Spir...

By Suzanne Hazard

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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.