Helen Parker Books

Collins Elt Readers Amazing Women Level 1 Collins English Readers

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Themes for Listening and Speaking

By Helen Parker, Carole Robinson

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Reluctant Phoenix

By Helen Parker

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This novel, set in the Egypt of the 2011 crisis and in Edinburgh, Scotland, tells of two women. They are on apparently different paths in life, encountering problems of health, bereavement, love, a...

H Parker House Hint

By H Parker

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The secret sect

By Doug Parker

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Fairy Collection Willow the Fairy of Bravery Fairy Friends Collection

By Helen Parker

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Fairy Collection Ivy the Fairy of Friendship Fairy Friends Collection

By Helen Parker

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Fairy Collection Clover the Fairy of Luck Fairy Friends Collection

By Helen Parker

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Fun to Learn 1 2 3 Kaleidoscope Book Turn the Tab and Watch the Picture Change

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Lift Stick Learn Baby Animals Lift Stick and Learn

By Make Believe Ideas

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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.