Jillian Harker Books

I love you Mummy

By Jillian Harker

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Let s share

By Jillian Harker

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Benji s New Friends

By Gill McLean, Jillian Harker

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Let s share

By Jillian Harker

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Young readers learn the importance of sharing toys, sharing snacks, and taking turns when playing a game.

Ojala ...

By Jillian Harker

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"Pepo es el juguete nuevo de la casa y le gustaría tener a alguien con quien jugar. Afortunadamente el baúl de los juguetes estálleno de amigos mágicos"--Page 2 of cover.

Bedtime storytime

By Bedford David

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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.