Jillian Harker Books

Mungo

By Jillian Harker

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Sweet Dreams Stories A Collection of Bedtime Tales

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Just as well really

By Jillian Harker

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Rumpus the teddy bear causes chaos for his family when he somehow manages to mess up the house after many little accidents. But nevertheless, they still love him, so they don't get mad.

Cow with the Big Ding Bell Goosefeather Farm

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Duck s scoopy doopy beak

By Jillian Harker

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While the animals all agree that Duck's beak looks strange, it comes in handy. Self esteem. Self image. 4 yrs+

Frog with the Big Flicky Tongue

By Jillian Harker

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Pig s curly wurly tail

By Jillian Harker

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Pig doesn't like his tail and thinks it is useless. Self esteem. Self image. 4 yrs+

When I go to the park

By Jillian Harker

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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.