David Reagan Books

God s Prophetic Voices To America

By David Reagan

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Discerners

By Terry James, Larry Spargimino, David Reagan, Jan Markell, Daymond Duck, Bill Salus

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The master plan

By David R. Reagan

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Medicine Show

By Heidi Lampietti, Gerand Jones, Dominick Cancilla, Dan Barlow, Mikal Trimm, Ekaterina Sedia, David Reagan, Nicole Kimberling, Shawn Feakins, Heidi Cyr, M.K. Hobson, C.L. Russo

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Medicine Show is set is Europe in the aftermath of World War I, and follows the adventures of Professor Bernhard Freedomhowler's Internationally Acclaimed Traveling Exhibition of Medicinal Wonderme...

Jesus

By David Reagan

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What s the Difference in a Millennium and a Millipede

By David Reagan

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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.