Eliza Woloson Books

My friend Isabelle

By Eliza Woloson

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A young boy named Charlie describes the activities he shares with his friend Isabelle, a girl with Down Syndrome.

My Friend Isabelle Teacher s Package

By Eliza Woloson, Amy Thrasher

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My Friend Isabelle

By Eliza Woloson, Bryan Gough

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Wo de peng you Yishabei er

By Eliza Woloson

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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.