Donald W. Goodwin Books

Alcohol and the Writer

By Donald W. Goodwin

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Alcoholism, the facts

By Donald W. Goodwin

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Phobia: The Facts

By Donald W. Goodwin

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Alcoholism, the facts

By Donald W. Goodwin

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Alcoholism: the facts deals with all aspects of the world's number one drug problem. Primarily a book for all those who have alcohol problems and for those who share their lives, it is written in a...

Alcoholism, the facts

By Donald W. Goodwin

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Alcoholism: The Facts

By Donald W. Goodwin

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Is alcoholism hereditary?

By Donald W. Goodwin

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Is Alcoholism Hereditary

By Donald W. Goodwin

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Psychiatric Diagnosis Second Edition

By Donald W. Goodwin

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Psychiatric diagnosis

By Donald W. Goodwin, Samuel B. Guze

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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.