Barbara Rolls Books

"The founder of the #1 New York Times bestselling VOLUMETRICS diet combines new findings, user-friendly tools, and dozens of fabulous and filling recipes to help you lose weight without feeling hun...

Ultimate Volumetrics Diet

By Barbara Rolls, Mindy Hermann

Average: 0.00, 0 Ratings

Volumetrics

By Barbara Rolls, Robert A. Barnett

Average: 0.00, 0 Ratings

Best Diet and Fitness Books

By Carolyn Barnes, Barbara Rolls, Mindy Hermann, Bob Arnot, Donna Richardson Joyner

Average: 0.00, 0 Ratings

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.