Helen Humphreys Books

The lost garden

By Helen Humphreys

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The evening chorus

By Helen Humphreys

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Shot down on his first RAF mission, James Hunter spends his war in a German prison camp. The other captive soldiers busy themselves planning their escapes, but James dedicates himself to a detailed...

The lost garden

By Helen Humphreys

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The Reinvention of Love

By Helen Humphreys

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Anthem

By Helen Humphreys

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The Frozen Thames

By Helen Humphreys

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Le jardin oublie

By Helen Humphreys

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Wenn der Himmel uns kusst.

By Helen Humphreys

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Die Abbildung.

By Helen Humphreys, Stefanie Schaffer De Vries

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Wenn der Himmel uns kusst

By Helen Humphreys

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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.