Donald R. Katz Books

"Few writers can match journalist Donald Katz's ability to make an exotic locale familiar or transform an ordinary place into something peculiar, if not completely weird. The Valley of the Fallen a...

Just Do It

By Donald R. Katz

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100 Best Companies to Work for in America

By Milton Moskowitz, Donald R. Katz, Robert Levering

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100 Best Companies to Work for in America

By Michael Katz, Milton Moskowitz, Donald R. Katz, Robert Levering

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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.