Constitution Books

Presidential Disability

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"If the president of the United States must decide within minutes how to respond to a dire emergency, its citizens expect him or her to be mentally and physically competent and able to act wisely....

Materials Library of Science

By Phillip Clarke, Judy Tatchell, Alastair Smith, Corinne Henderson

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Materials Core Chemistry

By Denise Walker

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Creating the Constitution a History in Documents Sources of the American Tradition

By John P. Kaminski

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Principles of Government

By Nathaniel Chipman

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Ratification of the Twenty First Amendment to the Constitution of the United States

By Everett Somerville Brown

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Quick And Easy Study Guide For The U.S. Constitution

By Sally Ramsey

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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.