Mary Gabriel Books

Notorious Victoria: the life of Victoria Woodhull, uncensored

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Victoria Claflin Woodhull (1838-1927) was the first woman to run for president (sharing the ballot with Frederick Douglass). She was the first woman to address the U.S. Congress and to operate a br...

Notorious Victoria

By Mary Gabriel

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The art of acquiring

By Mary Gabriel

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Ninth Street women

By Mary Gabriel

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"Set amid the most turbulent social and political period of modern times, Ninth Street Women is the impassioned, wild, sometimes tragic, always exhilarating chronicle of five women who dared to ent...

Love and capital

By Mary Gabriel

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The Art of Acquiring

By Mary Gabriel

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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.