George L. Legendre Books

Mathematics of space

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A new title in the Architectural Design series that explores the potential of computational mathematics in cutting-edge design. Mathematics has always been a vital tool in the architect's trade, bu...

Pasta by design

By George Liaropoulos Legendre

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"With over two hundred elaborate diagrams and photographs, as well as a few words on regional provenance and cuisine, Pasta by Design offers a surreal interpretation of the everyday experience of m...

Bodyline

By Pamela Johnston

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Pasta und Design

By Anna Schleitzer, George L. Legendre

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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.