Judith Hooper Books

Alice in bed

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"Arm yourself against my dawn, which may at any moment cast you and Harry into obscurity, Alice James writes her brother William in 1891. In Judith Hooper's magnificent book, zingers such as this f...

Spiaca Alicja

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Three Pound Universe

By Hopper Teresi

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Morbid Sympathy

By Judith Hooper

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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.