Mark Warner Books

Social Media Marketing for Small Business Owners

By Mark Warner

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The complete guide to Alzheimer's-proofing your home

By Mark L. Warner

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The complete guide to Alzheimer's-proofing your home

By Mark L. Warner

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In Search of the Alzheimer s Wanderer

By Mark Warner

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How To Keep Your Minivan Alive

By Mark Warmer, Mark Warner

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The ultimate performance guide to the rotary engines built by Mazda from 1978 to the present. Includes: Engine history and identification ? Rotary engine fundamentals ? Component selection and modi...

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.