Joanna Spear Books

Carter and arms sales

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The Carter Administration established an arms transfer restraint policy known as PD-13. Barely two years later the PD-13 policy had for the most part been abandoned and arms sales levels were creep...

Carter and Arms Sales: Implementing the Carter Administration's Arms Transfer Restraint Policy

By Joanna Spear

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Carter and Arms Sales

By Joanna Spear

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Changing Labour Party

By Joanna Spear, Martin J. Smith

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Changing Labour Party

By Joanna Spear, Martin J. Smith

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Changing Labour Party

By Joanna Spear, Martin J. Smith

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Business of Armaments

By Joanna Spear

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Business of Armaments

By Joanna Spear

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Business of Armaments

By Joanna Spear

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Changing Labour Party

By Joanna Spear, Martin J. Smith

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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.