Matthew Costello Books

VACATION

By MATTHEW COSTELLO

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By Matthew J. Costello

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Jack's wife, Christie, and their two children struggle for survival after Jack's shocking sacrifice, and the three endeavor to escape a post-apocalyptic nightmare world of cannibals and betrayal to...

Star road

By Matthew J. Costello

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"Ivan Delgato, a former leader of a rebel group called the Runners, is released from jail on the condition that he carry out a secret mission for the World Council. His assignment is simple: stay u...

Island of the Skull

By Matt Costello

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Doom 3.

By Matthew Costello, Matthew J. Costello

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"The year is 2145-- and the battle over Earth's precious resources has raged for a century. With global economies in ruins and all-out world war more than a possibility, the U.S government turned t...

Maelstrom

By Matthew J. Costello

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Vacation

By Matthew Costello

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Alone Against the Dark

By Matthew Costello Mike Mason

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Vacation

By Matthew Costello

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Sea Quest DSV

By Matthew Costello

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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.