Gregory A. Gilbert Books

IT Disaster Recovery Planning For Dummies

By Peter H. Gregory, Peter Gregory, Gregory A. Gilbert

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If you have a business or a nonprofit organization, or if you’re the one responsible for information systems at such an operation, you know that disaster recovery planning is pretty vital. But it’s...

Emergency Planning Handbook, 2nd Edition

By Gregory A. Gilbert, ASIS Disaster Management Council, ASIS International Disaster Management Council

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Every business should have an emergency management plan. The Emergency Planning Handbook provides guidance and direction to corporate security supervisors/managers who have emergency planning respo...

Emergency Planning Handbook

By Gregory A. Gilbert, ASIS International Disaster Management Council

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Manual De Planificación De Emergencias

By Gregory A. Gilbert

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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.