Alan Armstrong Books

Armstrong Oil Directory 2015 Texas Directory

By Alan Armstrong

Average: 0.00, 0 Ratings

Armstrong Oil Directory 2014 Texas Directory

By Alan Armstrong

Average: 0.00, 0 Ratings

Armstrong Oil Directory: 2016 Texas Directory

By Alan Armstrong

Average: 0.00, 0 Ratings

Wolf by the Ears

By Alan Armstrong

Average: 0.00, 0 Ratings

Whittington

By Alan Armstrong

Average: 0.00, 0 Ratings

The power of reading is beautifully captured in this 2006 Newbery Honor-winning book. Bernie keeps a barn full of animals the rest of the world has no use for–two retired trotters, a rooster...

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.