Jenny Campbell Books

Smarter Than Jack

By Jenny Campbell

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Bona fide

By Jenny Campbell, Denise Gallanagh Wood

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Collection of true stories written by New Zealand teenagers which reveal intimate experiences and secrets about things like parties, drugs, relationships, love, overcoming illness, death, pregnancy...

Canadian animals are Smarter Than Jack 1

By Jenny Campbell

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Smart Rescued Animals

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Heroic Animals Are Smarter Than Jack

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Lazy Daisy

By David Olson

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Lazy Daisy is proud to have the messiest room in the world until it swallows her grandmother and her closet belches out enough junk to bury the whole town.

Smarter than Jill 95 true animal stories

By Campbell Jenny Compiler McCormick Gary Foreword

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Cartoons of Rescue Village

By Kenneth Clarke, Jenny Campbell

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Across the distance 1909 2009

By Jenny Campbell

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Why Animals Are Smarter Than Us Smarter Than Jack

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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.