Dr. 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 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...

La aventura atomica del profesor Astro Cat

By Ben Newman, Antonio Diaz, Dr. Dominic Walliman

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Professor Astro Cat's Frontiers of Space 500-Piece Puzzle

By Dominic Walliman, Ben Newman

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This delightful jigsaw puzzle features the midcentury art style from the cult hit Professor Astro Cat’s Frontiers of Space. • A fun activity for kids (and adults!) to discover the solar system and...

Professor Astro Cat's Outer Space Flash Cards

By Dominic Walliman, Ben Newman

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Based on the hit cult book Professor Astro Cat's Frontiers of Space, these out-of-this-world flash cards are fun and educational for parents and kids alike!This deck of flash cards creates astronom...

Explorer's Journal

By Dominic Walliman, Ben Newman

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Encourage kids aged 7 to 11 to think critically, be curious, and dream big with Explorer's Journal, a guided space exploration journal featuring delightful midcentury art from the hit cult book Pro...

Professor Astro Cat's Solar System

By Dr. Dominic Walliman

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Young readers can discover the wonders of our solar system as they travel to each of the planets in turn, accompanied by interesting, easy to comprehend facts and modern, exciting vi...

Professor Astro Cat's Frontiers of Space

By Dr. Dominic Walliman

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Blast off with this new edition in the first book in the best selling Professor Astro Cat series! Featuring updated details about how rockets work, recent missions to Mars, space junk, and bla...

Astro Kittens: Into The Unknown

By Dr. Dominic Walliman

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Greetings, my little Astro Kittens! Are you ready to take off on your first space adventure? Join Professor Astro Cat as we head Into the Unknown, in an adventure for pre-K age kids to spark t...

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.