JohnRobert Ferris Books

The Evolution Of British Strategic Policy, 1919-26 (Studies In Military And Strategic History) (Studies In Military & Strategic History)

By JohnRobert Ferris, John Robert Ferris, John Robert Ferris (Auth.)

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A study of the connections between Britain's foreign, financial and military policies during the 1920s, calling for a radical reassessment of the perceptions of this critical period. The author arg...

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.