Colin Owers Books

Salmson Aircraft Of World War I

By Colin A. Owers, Jon S. Guttman, James J. Davilla, Colin Owers, Colin A. Owers, Jon S. Guttman, James J. Davilla

Average: 0.00, 0 Ratings

The Salmson 2A2 was one of the most important aircraft of the First World War. It was flown extensively by the French and Americans during the war and by many other countries after the war. This b...

De Havilland Aircraft Of World War I

By Colin A. Owers, Colin Owers

Average: 0.00, 0 Ratings

De Havilland Aircraft of World War I

By Colin A. Owers, Colin Owers

Average: 0.00, 0 Ratings

Brandenburg Aircraft of WWI, Volume 3-Monoplane Seaplanes

By Colin Owers

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.