Theo Theobald Books

Business and the Beautiful Game

By Theo Theobald, Cary L. Cooper

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Business and the beautiful game

By Theo Theobald

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Develop Your Presentation Skills Creating Success

By Theo Theobald

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Develop your presentation skills

By Theo Theobald

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"Going beyond handling nerves and presenting PowerPoint slides, the third edition of Develop Your Presentation Skills offers practical advice on developing a captivating presentation, constructing...

Detox Your Desk

By Theo Theobald, Cary L. Cooper

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Jak pozostac dobrym ojcem po rozwodzie

By Theo Theobald

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Como ser un gran padre soltero

By Theo Theobald

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Una guia practica para los padres solteros o separados que quieren dejar una huella imborrable en el corazon de sus hijos. Basado en su experiencia personal y en la de otros padres solteros, el aut...

Los negocios son como el futbol Business and the Beautiful Game

By Cary Cooper Theo Theobald

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Doing the Right Thing

By T., Theo Theobald, C. Cooper

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Shut up and Listen

By T., Theo Theobald, C. Cooper

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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.