Marc J Schulman Books

JFK History Maker

By Marc J Schulman

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History of American Presidential Elections

By Marc J Schulman

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History of American Presidential Elections

By Marc J Schulman

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JFK history maker

By Marc Schulman

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JFK History Maker is a masterpiece of astonishing research and information lending new insights into the man, the president and the icon. This authoritative compilation is an ideal reference source...

Constitution and Federalist Papers

By Marc J Schulman

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History of American Presidential Elections

By Marc J Schulman

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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.