Helen Otway Books

Indiana Jones - The Greatest Adventures of Indiana Jones

By Helen Otway

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Alphabet My First Write And Wipe

By Helen Otway

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Play Learn My First Write And Wipe

By Helen Otway

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Disney Princess Bright & Beautiful

By Random House Disney, RH Disney, Helen Otway

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Whom will the prince dance with at the ball? Whos singing in the woods? Young readers can open and open and open the gatefold pages to reveal lots of surprises for their favorite Disney Princesses.

Face the Terrors of the Deep in the Search for the Sunken Treasure

By Helen Otway

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Numbers My First Write and Wipe

By Helen Otway

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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.