Lesley Sims Books

Agent Arthur s Island Adventure Puzzle Adventures

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A lively story with humorous illustrations, ideal for children who are beginning to read for themselves, or for reading aloud together. With simple rhyming text and phonic repetition specially desi...

Mein erstes Papp Bilderbuch

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Mein erstes Papp Bilderbuch

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Les planetes

By Lesley Sims

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Que sont les planètes, quand l'Univers s'est-il formé?

La Lune

By Lesley Sims

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Le grand livre des chateaux forts

By Lesley Sims

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Le château fort, surtout en Europe, dans ses moindres détails : son architecture, ses fonctions défensives et d'apparat, la vie qui y est menée, son histoire et son déclin. On explique en introduct...

Les planetes

By Lesley Sims

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Que sont les planètes, quand l'Univers s'est-il formé?

Ich lerne Reiten. Das Pferdebuch fur Kinder.

By Lesley Sims, Kit Houghton, Helen Edom, Norman. Young

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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.