Jenny Downham Books

Before I die

By Jenny Downham

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A terminally ill teenaged girl makes and carries out a list of things to do before she dies.

You Against Me

By Jenny Downham

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Unbecoming

By Jenny Downham

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Katie's life is falling apart: her best friend thinks she's a freak, her mother, Caroline, controls every aspect of her life, and her estranged grandmother, Mary, appears as if out of nowhere. Mary...

Unbecoming

By Jenny Downham

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Before I Die

By Jenny Downham

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Unbecoming

By Jenny Downham

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You Against Me

By Jenny Downham, BookSource Staff

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You Against Me

By Jenny Downham

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You Against Me

By Jenny Downham

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Before I Die

By Jenny Downham

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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.