Theresa Cheung Books

Girl World

By Theresa Cheung

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Get Lucky

By Theresa Cheung, Theresa Francis Cheung

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Working with your sixth sense

By Theresa Francis Cheung

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Working with your Sixth Sense shows you how to build on and develop your intuition or "inner knowing". Theresa Cheung explores the different levels of consciousness and explains how meditation, tra...

The element encyclopedia of 20 000 dreams

By Theresa Francis Cheung

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The Ultimate guide to the visual symbols of dreams and what they mean. Discover how dreams can profoundly illuminate your unconscious hopes and fears, instincts and drives - and even guide you towa...

How to boost your immune system

By Theresa Francis Cheung

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The Glycaemic Factor

By Theresa Cheung

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The PMS handbook

By Theresa Francis Cheung

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The Depression Diet

By Theresa Cheung

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The IBS Healing Plan

By Theresa Cheung, Theresa Francis Cheung

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Androgen Disorders in Women

By Theresa Cheung

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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.