Jeffrey Hogrefe Books

'Wholly unacceptable'

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

The Antiques world price guide to over 40,000 antiques and collectibles

Average: 0.00, 0 Ratings

O Keeffe

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

Biography of artist Georgia O'Keeffe focusing on her private life and artistic career.

O'Keeffe

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

One of this century's most beloved and celebrated artists, Georgia O'Keeffe transmitted her most intimate feelings onto her canvases. But the details of her private life were zealously guarded, lea...

O Keefe

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

O Keefe

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

Wholly Un Acceptable

By Jeffrey Hogrefe

Average: 0.00, 0 Ratings

Terry Rosenberg

By Jeffrey Hogrefe, Terry Rosenberg

Average: 0.00, 0 Ratings

In Search of African American Space

By Ashley Simone, Jeffrey Hogrefe, Scott Ruff, Tina M. Campt, Carrie Eastman

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.