Dorothy Kent Books

The AutoCAD Reference Guide: Release 13

By Dorothy Kent

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AutoCAD 2000 in a Nutshell

By Dorothy Kent, Troy Mott

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This handy and comprehensive guide provides a reference to all AutoCAD commands and variables. It will make an ideal desk-top companion for anyone using AutoCAD. This edition has been thoroughly re...

AutoCAD R Reference Guide

By Dorothy Kent

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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.