Christopher Maynard Books

Pourquoi les saisons changent

By Dorling Kindersley

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Pourquoi les volcans entrent en eruption

By Christopher Maynard

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Des réponses simples à des questions élémentaires que se posent les jeunes au sujet des oiseaux, des poissons, des plantes, etc. Chaque thème fait l'objet d'une double page dont la présentation dyn...

Pourquoi les ananas sont piquants

By Dorling Kindersley

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Pourquoi il y a des vagues

By Christopher Maynard

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Revolution History News

By Christopher Maynard

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Aircraft

By Christopher Maynard

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Presents the history of flying machines from the simple attempts at the end of the nineteenth century to the supersonic transport and military aircraft of today.

Planet Earth

By Christopher Maynard

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Discusses the history, structure, and atmosphere of earth and, briefly, its plant and animal life.

Planet Earth

By Christopher Maynard

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Discusses the history, structure, and atmosphere of earth and, briefly, its plant and animal life.

The great ice age

By Christopher Maynard

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Briefly discusses the effects of the Great Ice Age on the earth's land formations, vegetation, and animals.

The great ice age

By Christopher Maynard

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Briefly discusses the effects of the Great Ice Age on the earth's land formations, vegetation, and animals.

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.