Charles H. Kahn Books

Essays on Being

By Charles H. Kahn

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The Art and Thought of Heraclitus

By Charles H. Kahn, Heraclitus Of Ephesus

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The Art and Thought of Heraclitus

By Heraclitus Of Ephesus

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Plato and the Socratic Dialogue

By Charles H. Kahn

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Plato and the Socratic Dialogue: The Philosophical Use of a Literary Form

By Charles H. Kahn, Kahn

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This book presents a new paradigm for the interpretation of Plato's early and middle dialogues as a unified literary project, displaying an artistic plan for the expression of a unified world view....

Working Makes Sense Pacemaker Practical Arithmetic Series

By Charles H. Kahn

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Using Dollars and Sense Pacemaker Practical Arithmetic Series

By Charles H. Kahn

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Money Makes Sense

By Charles Kahn

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Money Makes Sense Practical Arithmetic

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Using Dollars and Sense

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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.