Michael Gurian Books

De ninos a hombres

By Michael Gurian

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Para Ellas

By Michael Gurian

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Para Ellos

By Michael Gurian

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Un buen muchacho

By Michael Gurian

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Mistico Americano

By Michael Gurian

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Help your son grow into the strong, loving man God created him to be with Raising Boys by Design. Packed with doable strategies and eye-opening examples of what’s really going on inside a boy’s bra...

Leadership and the Sexes

By Michael Gurian, Barbara Annis

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The Purpose of Boys

By Michael Gurian

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The Purpose of Boys

By Michael Gurian

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The Purpose of Boys

By Michael Gurian

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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.