Dominic Walliman Books

Professor Astro Cat's Frontiers of Space

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Professor Astro Cat is the smartest cat in the alley. He's got a degree in just about every discipline under the sun!Speaking of the sun, he happens to be specialist on that too, and Professor Astr...

Professor Astro Cat's Atomic Adventure

By Ben Newman, Dr. Dominic Walliman

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Class is in session, and the subject is physics. Your teacher? Why, he’s the smartest cat in the galaxy!In this brilliant follow up to Professor Astro Cat’s Frontiers of Space, our trus...

Professor Astro Cat's Human Body Odyssey

By Dr. Dominic Walliman Ben Newman

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The latest Professor Astro Cat adventure is perfect for curious young scientists who want to learn more about the ins and outs of the human body!Are our ears supposed to be a weird shape? Why do we...

Professor Astro Cat's Space Rockets

By Ben Newman

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Introducing the latest book in the Professor Astro Cat series of compelling science books for kids, now for younger readers!Greetings, fellow space travelers! Have you ever wondered how a rocket wo...

Professeur Astrocat

By Dominic Walliman

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Professeur Astrocat

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Professor Astrokatz

By Dominic Walliman

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Professor Astrokatz Reise durch den Korper

By Dominic Walliman

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El profesor Astro Cat y las fronteras del espacio

By Dominic Walliman, Ben Newman

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La aventura atomica del profesor Astro Cat

By Ben Newman, Antonio Diaz, Dr. Dominic Walliman

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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.