Robert A. Katzmann Books

What can law firms do to ensure justice for all? How can they serve the needs of those unable to pay? How can law firms improve the quality of life for their lawyers? At a time when government sup...

The law firm and the public good

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What can law firms do to ensure justice for all? How can they serve the needs of those unable to pay? How can law firms improve the quality of life for their lawyers? At a time when government sup...

Courts and Congress

By Robert A. Katzmann

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What role should the Senate play in the selection and confirmation of judges? What criteria should be used to evaluate nominees? What kinds of questions and answers are appropriate in confirmation...

Courts and Congress

By Robert A. Katzmann

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What role should the Senate play in the selection and confirmation of judges? What criteria should be used to evaluate nominees? What kinds of questions and answers are appropriate in confirmation...

Judging Statutes

By Robert A. Katzmann

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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.