Jack Griffin Books

How To Say It Best

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Whether you’re giving a business presentation, accepting an award, or making an impromptu speech at a birthday party, this unique guide offers advice plus a wide variety of words and phrases...

How to Say It: Be Indispensable at Work

By Jack Griffin

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Take control of your job, get noticed, and get ahead-no matter what's happening in the job market. Times are tough. There's no denying that. Most of us feel lucky enough just to have a job, let alo...

Que decir como y cuando

By Jack Griffin

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Smart shuo xie gao shou.

By Jack Griffin

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How to say it at work

By Jack Griffin

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How To Say It for First-Time Managers

By Jack Griffin

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An all-new guide to help first-time managers and supervisors develop effective communication skills for leading and inspiring their staff. From the author of How to Say It(r) at Work, a one-stop...

How to Say it: Creating Complete Customer Satisfaction

By Jack Griffin

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 A guide to effectively communicating with customers to create lasting—and repeat—business relationships. This book provides practical, results-oriented guidance for effective...

How to Say It for First Time Managers

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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.