Isabelle Harper Books

Our New Puppy

By Isabelle Harper

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My dog Rosie

By Isabelle Harper

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While her grandfather works in his studio, a young girl takes care of the family dog.

My Cats Nick and Nora

By Isabelle Harper

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Two young girls spend a day playing with two spirited cats.

Our new puppy

By Isabelle Harper

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When the puppy Floyd joins the family, Eliza and Isabelle see how Rosie the family dog reacts and learn what it is like having and being a younger sibling.

My Dog Rosie

By Barry Moser Isabelle Harper

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My Dog Rosie

By Isabelle Harper

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Our New Puppy

By Isabelle Harper

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My Cats Nick And Nora

By Isabelle Harper

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My Dog Rosie

By Isabelle Harper

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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.