Gail Bradney Books

Buy Wholesale by Mail 2001: The Consumer's Bible to Shopping Online, by Mail, by Phone

By Gail Bradney

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Wholesale by Mail Online 2002

By Gail Bradney, Elizabeth Cline, Brian Shapiro

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Best wines

By Gail Bradney

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A compilation of the top-rated wines from competitions held around the world includes a reader-friendly shopping index

Best Wines 2005

By Gail Bradney, Elizabeth Cline

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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.