David H. Lewis Books

Hopelessly Hollywood

By David H. Lewis

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Flower drum songs

By David H. Lewis

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"The return to New York in 2002 of Rodgers and Hammerstein's Flower Drum Song was considered the most revolutionary chapter in the history of Broadway revivals. Drawing upon interviews with members...

Roller skating for gold

By David H. Lewis

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The bullseye principle

By David H. Lewis

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"The Bullseye Principleis a definitive, how-to guide to communicating, collaborating, and executing as a leader in the corporate arena. More specifically, it is self-contained tool box of essential...

Prime Time Rising

By David H. Lewis

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The Lung in shock

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Clinical Aspects of Microcirculation Bibliotheca anatomica

By Jorn Ditzel, David H. Lewis, European Conference On Microcirculation 7th 1972 Aberdeen Scotland

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Current advances in basic and clinical microcirculatory research

By European Conference On Microcirculation 10th 1978 Cagliari Sardinia

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Dextran--30 years

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Broadway Musicals

By David H. Lewis

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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.