Caryn Jenner Books

The Story of Chocolate DK Readers

By C. J. Polin, Caryn Jenner

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My mum

By Caryn Jenner

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Who is in your family? Do you have a mum? All around the world people have mums. How are they like your mum? How are they different? In this book, find out about mums and their families all around...

My dad

By Caryn Jenner

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Who is in your family? Do you have a dad? All around the world people have dads. How are they like your dad? How are they different? In this book, find out about dads and their families all around...

Who is in your family? Do you have grandparents? All around the world people have grandparents. How are they like your grandparents? How are they different? In this book, find out about grandparent...

My brother

By Caryn Jenner

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Who is in your family? Do you have a brother? All around the world people have brothers. How are they like your brother? How are they different? In this book, find out about brothers and their fami...

My sister

By Caryn Jenner

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Who is in your family? Do you have a sister? All around the world people have sisters. How are they like your sister? How are they different? In this book, find out about sisters and their families...

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.