James Robertson Books

Complete systems analysis

By James Robertson

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History of the Christian Church from the Apostolic Age to the Reformation. A. D. 64-1517

By James Robertson, Raul Gallardo

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The Testament of Gideon Mack

By James Robertson

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A critical success on both sides of the Atlantic, this darkly imaginative novel from Scottish author James Robertson takes a tantalizing trip into the spiritual by way of a haunting paranormal myst...

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.