Jack Griffin Books

How To Say It for First-Time Managers

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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...

Lifetime Guide to Business Writing & Speaking

By Jack Griffin

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How to Say It Best: Choice Words, Phrases and Model Speeches for Every Occasion

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Finding Happiness with a Broken Mind

By Bex Sutton, Jack Griffin

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Prentice Hall Handbook of Model Business Letters, with Disk

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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: 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...

How to Say It(R) at Work

By Jack Griffin

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A fully revised edition of the bestselling communication tool.This revised edition includes new advice on the latest developments in the workplace since the book?s initial publication ten years ago...

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.