Alan Trussell Cullen Books

Ask Einstein

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Henry writes a letter to his teacher Miss Wilson for homework, but there is so much going on at his house it's a wonder he manages to do any homework at all. Just ask Einstein his cat. Suggested le...

Ask Einstein!

By Alan Trussell Cullen

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The Burglar Next Door

By Alan Trussell Cullen

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Brad and His Brilliant Ideas

By Alan Trussell Cullen

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The Real Cinderella Rap (Voyages)

By Alan Trussell Cullen

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An updated, "corrected" version of the Cinderella story, in which a princess remains true to herself and finds a husband on her own after becoming a rock drummer.

Little Puppy Rap

By Alan Trussell Cullen

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Einstein-Champion of the WOrld

By Alan Trussell Cullen

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Einstein champion of the world

By Alan Trussell Cullen

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Einstein's plan to deal with other cats coming onto his patch is to run away. When the Stefanis move in next door with their cat, Napoleon, the plan doesn't work very well. But one day Napoleon get...

This Is the Plate

By Alan Trussell Cullen

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Malawi

By Alan Trussell Cullen

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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.