David Groff Books

An American Family

By Michael Galluccio, Jon Galluccio, David Groff

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The Crisis of Desire

By David Groff, Robin Hardy

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What Was Ellis Island?

By Patricia Demuth

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From 1892 to 1954, Ellis Island was the gateway to a new life in the United States for millions of immigrants. In later years, the island was deserted, the buildings decaying. Ellis Island was not...

Where Is The White House Turtleback School Library Binding Edition

By Megan Stine

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Where Is Mount Everest

By John Hinderliter, David Groff, Nico Medina

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What Is The Super Bowl

By Kevin Mcveigh, David Groff, Dina Anastasio

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Quien Fue Alexander Graham Bell

By Bonnie Bader, David Groff

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Que Fue La Isla Ellis

By David Groff, Patricia Brennan Demuth

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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.