Melinda Metz Books

The New Adventures of Marykate and Ashley Hollywood and Who Done It

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When Mary-Kate and Ashley get to their great-grandmother's detective clubhouse, they discover that someone had broken in. Was it the singing dragon, the giant bunny, or the mysterious stranger that...

Attack of the Mutant

By Melinda Metz, Robert Lawrence Stine, Billy Brown, Dan Angel

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Julia with CDROM

By Melinda Metz

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Case of the Creepy Castle New Adventures of Mary Kate Ashley

By Melinda Metz

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The Case of the Flying Phantom New Adventures of Mary Kate Ashley

By Melinda Metz

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Case of the Giggling Ghost New Adventures of Mary Kate Ashley Turtleback

By Melinda Metz, Ashley Olsen, Mary Kate Olsen

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Case of the Rock Star s Secret

By Melinda Metz

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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.