Roger Connors Books

How Did That Happen

By Roger Connors

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How Did That Happen?

By Roger Connors

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How Did That Happen?

By Roger Connors, Tom Smith

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The New York Times bestseller that provides a simple, proven approach to improve accountability and the bottom line. The economy crashes, the government misfires, businesses fail, leaders don't l...

How did that happen

By Roger Connors

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How Did That Happen?

By Roger Connors, Tom Smith

Average: 0.00, 0 Ratings

The New York Times bestseller that provides a simple, proven approach to improve accountability and the bottom line. The economy crashes, the government misfires, businesses fail, leaders don't l...

Change the Culture, Change the Game

By Roger Connors, Tom Smith

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A fully revised and updated installment from the bestselling author of The Oz Principle Series. Two-time New York Times bestselling authors Roger Connors and Tom Smith show how leaders can achiev...

The wisdom of oz

By Roger Connors

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"Why does the story of Dorothy, the Scarecrow, the Tin Man, and the Cowardly Lion touch us? Like all great entertainment, their journey resonates. We see ourselves in the characters and likewise wi...

Divine Patterns

By Roger Connors

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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.