C. J. Thornhill Books

Walter Benjamin and Karl Kraus

By C. J. Thornhill

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German political philosophy

By Christopher J Thornhill, C. J. Thornhill, Chri Thornhill

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"From the Reformation to the present, German political philosophy has done much to shape the contours of theoretical debate on politics, law, and the conditions of political legitimacy; many of the...

A Sociology of Constitutions

By C. J. Thornhill

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"Using a methodology that both analyzes particular constitutional texts and theories and reconstructs their historical evolution, Chris Thornhill examines the social role and legitimating status of...

German political philosophy

By C. J. Thornhill

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German Political Philosophy

By Chris Thornhill, C. J. Thornhill

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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.