Michael J. Tougias Books

Finest Hours

By Michael J. Tougias

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Fatal Forecast

By Michael J. Tougias

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Ten Hours Until Dawn

By Michael J. Tougias

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"On the night of February 18, 1952, during one of the worst winter storms that New England has ever seen, two oil tankers just off the shore of Cape Cod were torn in half by the force of the storm....

Finest Hours

By Michael J. Tougias, Sherman Casey

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Until I Have No Country

By Michael J. Tougias

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New England Wild Places

By Michael Tougias

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Exploring the hidden Charles

By Mike Tougias

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Touching on the Charles River's geography, history, and wildlife, Tougias provides a very practical recreation guide to 11 wilderness reservations along the Charles. Each chapter contains convenien...

True Rescue 6 Rescue of the Bounty

By Michael J. Tougias, Douglas Campbell

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True Rescue 6 Rescue of the Bounty

By Michael J. Tougias, Douglas Campbell

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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.