Carl Chatfield Books

Explains how to use the project management software to organize schedules, create Gantt charts, track budgets, reduce waste, and prepare customized reports with multimedia effects.

Microsoft Office Project 2007 Step by Step Step By Step Microsoft

By Carl S. Chatfield, Timothy Johnson, Johnson Timothy.

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The Microsoft Project Management Toolkit

By Bonnie Biafore, Carl S. Chatfield, Timothy Johnson

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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.