Ruth Jenkinson Books

Johnson s Everyday Babycare Learning to Talk

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TOUT SUR... LA DANSE CLASSIQUE

By Ruth Jenkinson, Jane Hackett, Marie Francoise Perat

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Unser Baby

By Ruth Jenkinson, Jutta Doberstein, Katy Holland

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Reflexzonenmassage

By Ruth Jenkinson, Barbara Kunz, Daniela Weise

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Der Titel konzentriert sich auf die anschauliche Darstellung der Energiepunkte an Händen und Füßen und auf die Vermittlung der Techniken der Reflexzonenmassage.

Das erste Jahr mit unserem Baby

By Ruth Jenkinson, Eileen Hayes

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Johnson s Everyday Babycare

By Ruth Jenkinson

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Johnson s Everyday Babycare

By Ruth Jenkinson, Joanna Moorhead

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Johnson s Everyday Babycare

By Ruth Jenkinson

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Johnson s Everyday Babycare

By Ruth Jenkinson

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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.