William H. Leckie Books

The Buffalo Soldiers

By William H. Leckie

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Unlikely warriors

By William H. Leckie

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Benjamin Henry Grierson was born 8 July 1826 in Pittsburgh, Pennsylvania. His parents were Robert Grierson and Mary Sheppard. He married Alice Kirk 24 September 1854 and they had seven children. De...

Buffalo Soldiers

By William H. Leckie

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The Buffalo Soldiers

By William H. Leckie, Shirley A. Leckie

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Unlikely warriors

By William H. Leckie

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The Buffalo Soldiers

By William H. Leckie

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Unlikely Warriors

By William H. Leckie, Shirley A. Leckie

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Buffalo Soldiers

By William H. Leckie, Shirley A. Leckie

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The Buffalo Soldiers

By William H. Leckie, Shirley A. Leckie

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Military Conquest of Southern Plains

By William H. Leckie

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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.