Michael Costa Books

Web Warriors protectors of the Spider verse

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Still dealing with the casualties of Electroverse, the Web-Warriors struggle to keep their team together. Not only is the team struggling to stay together, so is the Web of Life and Destiny! The la...

Australian industry

By Michael And Easson Michael Costa

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Labor, prosperity and the nineties

By Michael Costa

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Reforming Australia's unions

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SPIDER-VERSE

By Christos Gage

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When the evil Inheritors begin exterminating Spider-characters throughout the multiverse, every single Spider-Man ever is needed to save the day! An interdimensional Spider-army gathers to fight Mo...

Adventures of Andre and Andre

By Michael Costa

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Dark Riders

By Neil Googe, Alex Horley, Samwise Didier, Michael Costa

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World Of Warcraft

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Ankhesenamun Queen of Egypt

By Michael Costa

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Mastering Explained

By Chad Johnson, Michael Costa

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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.