CHRISTOPHER Books

Where the Blue Begins

By Christopher Morley

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Bayard

By Christopher Hare

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Where the Blue Begins

By Christopher Morley

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River Rats

By Ralph Christopher

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Review Written By Bernie Weisz, Historian, Vietnam War Pembroke Pines, Fl. USA Contact: BernWei1@aol.com March 30, 2013 Title of Review: My Experience in Vietnam Was Like A Football Game: At Halfti...

Current 84

By Christopher Choate

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The Works of Christopher Marlowe

By Christopher Marlowe

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Wolves Know It Alls

By Christopher Nicholas

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Thomism in John Owen

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Examining the influence of Thomas Aquinas and his followers upon the seventeenth century Puritan theologian John Owen, this book explores the impact of medieval thought upon Reformed scholasticism....

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.