David McWhir Books

Job hunting in 4 weeks

By Alison Straw, Mo Shapiro, David McWhir, Patricia Scudamore, Hilton Catt

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Whatever your degree of prior knowledge, this 28-day course will put you on the path to business success. It includes four tried-and-tested bestselling titles - Successful Job Hunting In a Week; Su...

Successful Cvs In A Week

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Teach Yourself to Get the Job You Want Pack in a Week Careers Bestsellers Pack

By David McWhir, Patricia Scudamore, Hilton Catt

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Job hunting in 4 weeks

By Alison Straw, Mo Shapiro, David McWhir, Patricia Scudamore, Hilton Catt

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Job hunting in 4 weeks

By Alison Straw, Mo Shapiro, David McWhir, Patricia Scudamore, Hilton Catt

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CVs in a Week

By David McWhir

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Ultimate Job Hunting Book Write a Killer CV Discover Hidden Jobs Succeed at Interview

By Alison Straw, Mo Shapiro, David McWhir, Patricia Scudamore, Hilton Catt

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Cvs in a Week

By Steve Morris

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Successful CVs in a Week

By Steve Morris, David Mcwhir

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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.