Paul Greenhalgh Books

This Profusely Illustrated Book Highlights The Key Elements Of Art Nouveau, A Groundbreaking Style That Swept Across Europe And America At The Turn Of The Last Century And Became A Major Influence...

Essential Modernism

By Philip Brookman, Paul Greenhalgh, Sarah Newman

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""Never before have the conditions of life changed so swiftly and enormously as they have changed for mankind in the last fifty years. We have been carried along ... [and] we are only now beginning...

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.