Mary Graham Books

Presidents' Secrets: The Use and Abuse of Hidden Power

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Ever since the nation's most important secret meeting--the Constitutional Convention--presidents have struggled to balance open, accountable government with necessary secrecy in military affairs an...

Full Disclosure

By Mary Graham, Archon Fung, David Weil

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Women of Faith Devotional Bible

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Women of Faith Devotional Bible Limited Edition

By Mary Graham, Christie Barnes

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Women of Faith Study Guide Series

By Thomas Nelson

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Domestic Violence Stalking Antistalking Legislation

By Mary Graham

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Democracy by Disclosure

By Mary Graham

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"In December 1999, the Institute of Medicine shocked the nation by reporting that as many as 98,000 Americans died each year from mistakes in hospitals - twice the number killed in auto accidents....

The Morning after Earth Day

By Mary Graham

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As we approach the 30th anniversary of Earth Day, congressional debate about environmental protection often remains paralyzed and polarized. But across the country, environmental pragmatism is gain...

The Morning after Earth Day

By Mary Graham

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Amazing Freedom

By Women Of Faith

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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.