Michael Gurian Books

Whether he’s conscious of it or not, a man’s mother is the model for just about every relationship with a woman he has for the rest of his life. Sometimes it’s obvious (just ask h...

The Good Son

By Michael Gurian

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Selected by Publishers Weekly as one of the Best Books of 1999, The Good Son is the definitive guide to the moral and emotional development of our boys and young men. Within its pages, Michael Guri...

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.