Helen Orme Books

What are rainbows made of
What are rainbows made of

By Helen Orme

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Why do plants grow in spring
Why do plants grow in spring

By Helen Orme

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Explains, in simple text and illustrations, the growth and development of plants, including how animals spread seeds, why flowers are important, and what happens to plants in winter. Suggested leve...

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Why does the moon change shape
Gorillas
Gorillas

By Helen Orme

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Specials
Specials

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Specials
Specials

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Tsunamis
Tsunamis

By David Orme

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A look at why tsunamis happen, how earthquakes can cause them and how to survive a tsunami.

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Tornadoes
Tornadoes

By David Orme

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An introduction to tornadoes including how tornadoes happen and how to survive a tornado.

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Bilimle Tanisalim Gunes Sistemi
Bilimle Tanisalim Saglikli Beslenme

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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.

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