Mark Wagner Books

Presidential Puzzlemint 500-Piece Puzzle

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A unique 500-piece jigsaw puzzle perfect for puzzlers and history buffs. • This puzzle’s uniquely challenging design depicts a portrait of Abraham Lincoln rendered in deconstructed dolla...

Boeing 787 Dreamliner

By Mark Wagner, Guy Norris

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Halfway up the Mountain

By Mark Wagner, Wagner William

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Halfway up the Mountain

By Mark Wagner, Wagner William

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Can Evangelicals Truly Change the World

By Mark Wagner, Wagner William

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Transforming the Landscape

By Carol Diaz Granados, Mark Wagner, Jan Simek, James R. Duncan, George Sabo

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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.