Gretchen Maurer Books

The business of bridal beauty

By Getchen Maurer

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Call me Isis

By Gretchen Maurer

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"Isis, Egyptian Goddess of Magic, thinks herself destined for a charmed life as the Goddess-Queen of Egypt. But in one fell swoop she loses her love, her home, even her magical powers. For the sake...

Mary Tudor Bloody Mary

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Race to the Bottom of the Ocean

By Gretchen Maurer

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Filipino Immigrants

By Gretchen Maurer

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Race to the Bottom of the Ocean

By Gretchen Maurer

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Race to the Bottom of the Ocean

By Gretchen Maurer

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Filipino Immigrants

By Gretchen Maurer

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Filipino Immigrants

By Gretchen Maurer

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Mary Tudor Bloody Mary

By Gretchen Maurer, Peter Malone

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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.