Edward Wagenknecht Books

Discusses the legacy of cinema's first movie star Mary Pickford, including her acting, philanthropy, and how she obtained creative control of her own films. Moviegoers were riveted by Mary Pickfor...

Merely Players

By Edward C. Wagenknecht

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Mary Pickford

By Christel Schmidt

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Discusses the legacy of cinema's first movie star Mary Pickford, including her acting, philanthropy, and how she obtained creative control of her own films. Moviegoers were riveted by Mary Pickfor...

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.