Roy Ziegler Books

Twilight of separation

Average: 0.00, 0 Ratings

How powerful can love between two people really be? Can it overcome separation over time and space; between consciousness and unconsciousness; even beyond life as we know it? Leo Weber quest to bec...

Unfaltering Trust

By Roy Ziegler

Average: 0.00, 0 Ratings

Change Drivers

By Roy Ziegler

Average: 0.00, 0 Ratings

The Parrys of Philadelphia and New Hope

Average: 0.00, 0 Ratings

Parrys Of Philadelphia And New Hope A Quaker Familys Lasting Impact On Two Historic Towns

Average: 0.00, 0 Ratings

Mozart s Last Words

By Roy Ziegler

Average: 0.00, 0 Ratings

Mozart s Last Words

By Roy Ziegler

Average: 0.00, 0 Ratings

Mozart s Last Words

By Roy Ziegler

Average: 0.00, 0 Ratings

Dawn s Eerie Light

By Roy Ziegler

Average: 0.00, 0 Ratings

Let s Visit New Hope

By Roy Ziegler, Gayle Goodman, Pat Achilles

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.