Thomas A. Sebeok Books

The Sign of Three: Dupin, Holmes, Peirce

By Umberto Eco

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Semiotics in the United States

By Thomas A. Sebeok

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Global Semiotics:

By Thomas A. Sebeok

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"The study of semiotics underwent a gradual but radical paradigm shift during the past century, from a glottocentric (language-centered) enterprise to one that encompasses the whole terrestrial bio...

Pandora and Occam: On the Limits of Language and Literature

By Horst Ruthrof

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"Evoking Pandora and Occam as metaphoric corner posts in an argument about language as discourse, Horst Ruthrof brings analytic philosophy to bear on issues of Continental philosophy, with attentio...

A Sign Is Just a Sign

By Thomas A. Sebeok

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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.