Catherine Ripley Books

Kitchen Fun

By Catherine Ripley

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Outdoor fun

By Catherine Ripley

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Includes instructions for using everyday materials to make a variety of projects, such as windchimes, flying saucers, and a scarecrow. Also gives directions for some backyard games.

Why is the Sky Blue?

By Catherine Ripley

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Do the Doors Open by Magic?

By Catherine Ripley

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Why is Soap So Slippery?

By Catherine Ripley

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Night and Day

By Catherine Ripley

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Dis moi pourquoi

By Catherine Ripley

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"Les activités de la vie quotidienne des enfants, comme une excursion au parc, un plongeon dans la baignoire our la préparation d'un repas à la cuisine, suscitent d'innomerables questions. Ce livre...

Do the Doors Open by Magic

By Catherine Ripley

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Why Do Stars Twinkle

By Catherine Ripley

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Why Is Soap So Slippery

By Catherine Ripley

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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.