James A. Oliver Books

The Pamphleteers

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The Pamphleteers is an investigation of the early journalism. In an era long before the advent of the periodical press, the pamphleteers were the world’s proto-journalists. As a paper platform fo...

Strait of Gibraltar

By James A. Oliver

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Strait of Gibraltar: Non Plus Ultra is a geographical investigation of the great waterway that links the Atlantic Ocean with the Mediterranean Sea and forms the inter-continental divide between Eur...

A Footprint In The Sand

By James A. Oliver

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A Footprint In The Sand

By James A. Oliver

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THE END OF THE COLD WAR - and an epic political comedy that opens with the death of treasure hunter Graham Dunne on a remote Indian Ocean island. The legendary Fiery Cross of Goa may now never be...

The Bering Strait Project

By James A. Oliver

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The Anarchist s Arms

By James A. Oliver

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The Bering Strait Crossing

By James A. Oliver

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The Bering Strait Crossing

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digital

A Footprint in the Sand

By James A. Oliver

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THE END OF THE COLD WAR - and an epic political comedy that opens with the death of treasure hunter Graham Dunne on a remote Indian Ocean island. The legendary Fiery Cross of Goa may now never be...

The Pamphleteers

By James A. Oliver

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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.