Michael J. Tougias Books

A Storm Too Soon

By Michael J. Tougias

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AMC s Best Day Hikes Near Boston

By Alison O Leary, Michael J. Tougias, John S. Burk

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"On May 19, 1942, a U-boat in the Gulf of Mexico stalked its prey fifty miles from New Orleans. Captained by twenty nine-year-old Iron Cross and King's Cross recipient Erich Wurdemann, the submarin...

Nature Walks in Eastern Massachusetts

By Michael Tougias

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Nature Walks In Central Massachusetts

By Rene Laubach, Michael Tougias

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Exploring the Hidden Charles

By Michael J. Tougias, Michael Tougias

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More Nature Walks In Eastern Massachusetts

By Michael J. Tougias, Michael Tougias

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Nature Walks In Central Western Massachusetts 2nd

By Rene Laubach, Michael J. Tougias, Michael Tougias

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River Days

By Michael Tougias

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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.