Eric Frederick Books

The Crucial Decade--And After: American 1945-1960

By Eric Frederick Goldman, Goldman, Eric Frederick

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Hear AND Understand: What You Need To Know About Hearing Loss And Hearing Aids

By Frederick, Eric AuD, Eric Frederick, Eric Frederick AuD

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Hear and Understand author Dr. Eric Frederick has one central message - you are in control of your hearing loss. Push past the anxiety, fear, and denial associated with hearing loss, and more impor...

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.