Lloyd Johnson Books

Baseball a Pictorial Tribute

By Lloyd Johnson

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Baseball's book of firsts

By Lloyd Johnson

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Baseball s Book of Firsts

By Lloyd Johnson

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The Complete Book Of Baseball'S Negro Leagues

By John Holway, Lloyd Johnson, John B Holway, Rachel Borst

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Although Negro League stats can never be fully complete, The Complete Book Of Baseball's Negro Leagues" represents 90% of all league play. A unique timeline traces the history of black baseball, ju...

The Encyclopedia of Minor League Baseball

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Encyclopedia of Minor League Baseball

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The Encyclopedia of Minor League Baseball

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Tricks For A Trade

By Lloyd Johnson

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The Dog Catcher

By Lloyd Johnson

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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.