Jennie Rooney Books

Red Joan

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"Inspired by the true story of Melita Norwood, a woman unmasked in 1999, at age 87, as the KGB's longest-serving British spy, Red Joan centers on the deeply conflicted life of a brilliant young phy...

Red Joan

By Jennie Rooney

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De laatste brief

By Jennie Rooney

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Een man en een vrouw kijken na veertig jaar terug op hun gemiste romance.

Rode liefde

By Jennie Rooney

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Een Britse natuurkundige uit Cambridge is 85 jaar als ze ontmaskerd wordt als Sovjet-spion.

The Opposite of Falling

By Jennie Rooney

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Opposite of Falling

By Jennie Rooney

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Inside the Whale

By Jennie Rooney

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Red Joan

By Jennie Rooney

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Inside the Whale

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Inside the Whale

By Jennie Rooney

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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.