Daniel W. Graham Books

Aristotle's Two Systems

By Daniel W. Graham

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Aristotle's Two Systems

By Daniel W. Graham

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Science before Socrates: Parmenides, Anaxagoras, and the New Astronomy

By Daniel W. Graham

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The texts of early Greek philosophy

By Daniel W. Graham

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This two-part volume collects the complete fragments and most important testimonies for the leading presocratic philosophers. The Greek and Latin texts are translated on facing pages and accompanie...

The texts of early Greek philosophy

By Daniel W. Graham

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Explaining the Cosmos

By Daniel W. Graham

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The Oxford Handbook of Presocratic Philosophy

By Patricia Curd, Daniel W. Graham

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The Oxford Handbook of Presocratic Philosophy

By Patricia Curd, Daniel W. Graham

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Studies in Greek Philosophy Volume I

By Gregory Vlastos, Daniel W. Graham

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Studies in Greek Philosophy Volume II

By Gregory Vlastos, Daniel W. Graham

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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.