Tom Zappala Books

An All Star s Cardboard Memories Hardcover

By Jim Lonborg, Tom Zappala

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The T206 Collection

By Ellen Zappala, Tom Zappala

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A coffee table reference, which includes personal and professional stats along with a brief biographical narrative for each of the 393 players of the T206 collection, plus over 500, actual size, fu...

100 Greatest Baseball Autographs

By Joe Orlando, Tom Zappala, John Molori, Ellen Zappala

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T206 Collection

By Tom Zappala

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Baseball and Bubble Gum

By Joe Orlando, Tom Zappala, John Molori, Ellen Zappala

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Diamondbacks Collection

By John Molori, Ellen Zappala, Tom Zappala, Joe Orlando

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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.