John David Mann Books

Real Leadership

By John Addison, John David Mann

Average: 0.00, 0 Ratings

The Making of a Navy Seal

By John David Mann, Brandon Webb

Average: 0.00, 0 Ratings

You Call the Shots

By Cameron Johnson, David Bach, John David Mann

Average: 0.00, 0 Ratings

The Go Giver

By John David Mann

Average: 0.00, 0 Ratings

The Go-Giver

By John David Mann

Average: 0.00, 0 Ratings

"Betsy Myers, former Executive Director of the Center for Public Leadership at Harvard, Clinton administration insider and COO of the Obama campaign, offers 7 key principles for becoming a leader i...

Take the lead

By Betsy Myers

Average: 0.00, 0 Ratings

Making of a Navy SEAL

By Marcus Luttrell, John David Mann, Brandon Webb

Average: 0.00, 0 Ratings

It s not about you

By Bob Burg

Average: 0.00, 0 Ratings

Go Giver Marriage

By John David Mann, Ana Gabriel Mann

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.