William P. Robertson Books

Under Kane's able leadership, the tenacious Bucktails once again face the Rebs as they fight their way from their winter camp, through the Shenandoah Valley, and on toward Alexandria, Virginia.

The Bucktails Antietam Trails Wm Kids 14

By David Rimer, William P. Robertson

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In September 1862, the men and boys of the Bucktail Regiment find themselves facing the Confederate troops at Antietam Creek and need all their resolve to capture some good from the tragic events o...

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.