Christopher Ruddy Books

The Strange Death of Vincent Foster

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On a humid July day in 1993, White House deputy counsel Vincent W. Foster was found dead in Fort Marcy Park in suburban Virginia. One of the nation's highest-ranking federal officers, Foster was a...

The Strange Death of Vincent Foster

By Christopher Ruddy

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The Local Church

By Christopher Ruddy

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Tested in Every Way

By Christopher Ruddy

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Bitter Legacy

By Christopher Ruddy

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Bitter Legacy

By Christopher Ruddy

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Catastrophe

By Christopher Ruddy

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Vincent Foster

By Christopher Ruddy

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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.