Tony Massarotti Books

Big Papi: My Story of Big Dreams and Big Hits

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Ortiz is a hero to many. Raised in the Dominican Republic, signed by the Seattle Mariners, and released by the Minnesota Twins, David Ortiz landed in baseball-crazy Boston. Generally regarded as an...

Big Papi: La Historia de Mis Anhelos y Mis Grandes Batazos

By Tony Massarotti, David Ortiz

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Dynasty: The Inside Story of How the Red Sox Became a Baseball Powerhouse

By Tony Massarotti

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This Is Our City

By Tony Massarotti

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Dynasty

By Tony Massarotti, Jason Varitek

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A Tale of Two Cities

By Tony Massarotti, John Harper

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Dynasty

By Tony Massarotti, Jason Varitek

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Knuckler

By Tony Massarotti, Tim Wakefield

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Knuckler

By Tony Massarotti, Tim Wakefield

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This Is Our City

By Tony Massarotti

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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.