John Durant Books

The Paleo Manifesto: Ancient Wisdom for Lifelong Health

By Durant John

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Pictorial history of American sports

By Durant John

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Pictorial History of American Presidents

By John Durant

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Pictorial history of American Presidents

By Durant John

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Baseball's miracle teams

By Durant John

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An account of how three last place teams, the Boston Braves in 1914, the New York Giants in 1951, and the New York Mets in 1969, surprisingly developed winning streaks and swept their way to first...

Highlights of the World Series.

By Durant John

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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.