Penny Hubley Books

Italian Family Beans

By John Hubley, Penny Hubley

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A family in Jamaica

By Hubley John., John Hubley

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Describes the life of Dorothy, who lives in a small village on the north coast of Jamaica.

A family in Italy

By Penny Hubley

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Describes the home, school, amusements, customs, and work of an eight-year-old girl and her family living in a small town outside of Florence.

Dorothy O Jamaica Pobl Y Byd

By John Hubley, Penny Hubley

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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.