Alan W. Armstrong Books

Starting from Silver Spring

By Alan W. Armstrong

Average: 0.00, 0 Ratings

Regards, Rodeo

By Alan W. Armstrong

Average: 0.00, 0 Ratings

Racing the moon

By Alan W. Armstrong

Average: 0.00, 0 Ratings

In 1947, eleven-year-old Alex and her impulsive, older brother Chuck befriend an army scientist who shares their interest in rockets and outer space travel.

Racing the moon

By Alan W. Armstrong

Average: 0.00, 0 Ratings

In 1947, eleven-year-old Alex and her impulsive, older brother Chuck befriend an army scientist who shares their interest in rockets and outer space travel.

Looking for Marco

By Alan W. Armstrong

Average: 0.00, 0 Ratings

When they lose touch with his father's Gobi Desert expedition, eleven-year-old Mark accompanies his mother to Venice, Italy, and there, while waiting for news of his father, learns about the legend...

Looking for Marco

By Alan W. Armstrong

Average: 0.00, 0 Ratings

Forget Not Mee and My Garden ...

By Alan W. Armstrong

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.