Harvey Mackay Books

"Harvey Mackay hits the bull's-eye. An important book for important times in our lives. The Shark Man at his very best." -Larry King Harvey Mackay returns with the ultimate book on how to get, a...

The Mackay MBA of selling in the real world

By Harvey Mackay

Average: 0.00, 0 Ratings

"Mega-bestselling business guru Harvey Mackay shares his timesless sales advice. The legendary Harvey Mackay is back with the sum total of decades of sales know-how-teaching go-getters how to make...

The Mackay MBA of Selling in the Real World

By Harvey Mackay

Average: 0.00, 0 Ratings

Harvey Mackay is a legend-and now he's back with the sum total of decades of sales know-how, teaching go-getters how to make the sale and hit the numbers, day in and day out. His advice is rooted...

Negotiating with a Bully

By Harvey Mackay, Pat Iyer, Greg Williams

Average: 0.00, 0 Ratings

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.