Deborah Lerme Goodman Books

Save the Norse gods in this interactive book where YOU decide what happens next! Packed with 28 possible endings! Choose Your Own Adventure books–the 4th bestselling children’s series...

The Throne of Zeus

By Deborah Lerme Goodman

Average: 0.00, 0 Ratings

Embark on a mythical quest in this interactive book where YOU decide what happens next! Packed with 30 possible endings! Choose Your Own Adventure books–the 4th bestselling children’s...

The Rescue of the Unicorn

By Deborah Lerme Goodman

Average: 0.00, 0 Ratings

Protect your unicorn in this interactive book where YOU decide what happens next! Packed with 24 possible endings! Choose Your Own Adventure books–the 4th bestselling children’s series...

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.