Clark Stubbs Books

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Ready to Race! (Blaze and the Monster Machines)

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Blaze and the Monster Machines is an adventure preschool series from Nickelodeon. This Step 2 Step into Reading leveled reader based on the series is perfect for boys ages 4 to 6 who are just learn...

Ready to race

By Clark Stubbs, Kevin Kobasic

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Take a ride with Blaze. Meet the Monster Machines of Axle City!

Let s discover shapes

By Clark Stubbs

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Ready to race!

By Clark Stubbs, Kevin Kobasic

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Take a ride with Blaze. Meet the Monster Machines of Axle City!

Purple Monkey Rescue

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Super Soap

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By Clark Stubbs

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Mighty Monster Machines

By Clark Stubbs, Steve Lambe, Nickelodeon Television Network Staff

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By Random House

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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.