Bonnie Friedman Books

The Thief of Happiness is the story of a sevenyear therapy between the author and the mysterious Dr. Sing-a therapy that was part cult of two, part enchantment, and part love story. In an age when...

Surrendering Oz

By Bonnie Friedman

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"The boy's coming-of-age story is about leaving home to save the world. The girl's coming-of-age story is about relinquishing the world beyond home. It is about finding a way to sacrifice one's yea...

Hospital Warrior

By Bonnie A. Friedman

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Hospital Warrior

By Bonnie Friedman

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Hawaii

By Gerald D. Carr

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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.