Donna Newnum Books

Schroeder'S Collectible Toys Antique To Modern Price Guide

By Sharon Huxford, Donna Newnum, Bob Huxford, Loretta Suiters

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Readers will be pleasantly surprised to find that this year's Schroeder's Collectible Toys, Antique to Modern, is now featured for the first time in full color! That's right, all the things you lov...

Flea Market Trader

By Donna Newnum, Collector Books, Loretta Suiters

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Attention, collectors! Our bestselling Flea Market Trader is now in full color! That's right, the sixteenth edition of this popular pocket guide is now even sharper in color. Containing over 10,000...

Schroeder'S Collectible Toys, Antique To Modern

By Sharon Huxford, CB Editors, Donna Newnum, Loretta Suiters

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Flea Market Trader Seventeenth Edition

By CB Editors, Donna Newnum, Cb Editors

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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.