Lucy MacDonald Books

Learn to manage your time

By Lucy MacDonald

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Learn to be an optimist

By Lucy MacDonald

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Learn to Be an Optimist

By Lucy Macdonald

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Learn to make time

By Lucy MacDonald

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Aiming to bring you relief from time-related problems, this book takes a practical approach to time management in the areas of home, work, study, parenting and leisure. It offers many exercises tha...

Learn to be an optimist

By Lucy MacDonald

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The statistics on the power of optimism are staggering. Studies comparing pessimistic people with optimistic clearly show that optimists possess the ability (among other things) to excel academical...

Aprende A Ser Optimist learn How To Be Optimist

By Lucy McDonald, Lucy MacDonald

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You Can Be an Optimist

By Lucy MacDonald

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You Can Manage Your Time

By Lucy MacDonald

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You Can Be an Optimist

By Lucy MacDonald

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You Can Be an Optimist

By Lucy MacDonald

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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.