John Kador Books

"May 1, 1975 - Despite predictions of calamity and chaos from the high-priced, well-entrenched brokerage industry, the SEC formally abolishes fixed brokerage commission rates. In San Francisco, tho...

Charles Schwab

By John Kador

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Charles Schwab

By John Kador

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Effective Apology

By John Kador

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Charles Schwab

By John Kador

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Flawless Interview

By John Kador

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Effective Apology

By John Kador

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Effective Apology

By John Kador

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Politicians apologizing, celebrities needing to apologize, and business leaders failing at the attempt fill today’s headlines. In fact, we all have occasion to apologize. But we don’t...

Effective Apology

By John Kador

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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.

John Kador Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?