John Jantsch Books

The Commitment Engine: Making Work Worth It

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The small-business guru behind Duct Tape Marketing and The Referral Engine teaches listeners how to establish lasting commitment in their employees, customers, and businesses. Why are some compan...

Duct Tape Selling

By John Jantsch

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Many of the areas that salespeople struggle with these days have long been the domain of marketers, according to bestselling author John Jantsch. The traditional business model dictates that market...

The Commitment Engine

By John Jantsch

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Why are some companies able to generate committed, long-term customers while others struggle to stay afloat? Why do the employees of some organizations fully dedicate themselves while others punch...

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.