Colin Jack Books

Hello Nebulon
Hello Nebulon

By Ray O Ryan, Colin Jack

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The Prehistoric Planet
The Prehistoric Planet

By Ray O Ryan, Colin Jack

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The Blunders: A Counting Catastrophe!
The Blunders: A Counting Catastrophe!

By Christina Soontornvat Illustrated By Colin Jack

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One, two, three . . . Wait, who am I missing? The Blunder kids’ head count somehow keeps falling short in this funny and familiar tale.It’s not even lunchtime, and already the ten Blund...

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Look and Find HT Train Your Dragon
Dragons from Mars Go to School
Pet Show Level 2
7 Days of Awesome
7 Days of Awesome

By Colin Jack, Shawn Byous

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7 Days of Awesome
7 Days of Awesome

By Colin Jack, Shawn Byous

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7 Days of Awesome
7 Days of Awesome

By Colin Jack, Shawn Byous

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The Alien Hunters Handbook How To Look For Extraterrestrial Life

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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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