John Micklos Books

"A biography of boxing legend Muhammad Ali, discussing his early struggles with racism, rise to fame as a world heavyweight champion, personal hardships, including his refusal to be drafted during...

Elvis Presley

By John Micklos

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"A biography of rock and roll legend Elvis Presley, discussing his early struggles with poverty, rise to fame as a controversial performer, personal hardships, and legacy"--Provided by publisher.

American Indians and African Americans of the American Revolution through primary sources

By John Micklos

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"Examines the lives and roles of African Americans and American Indians during the American Revolution, including the difficulty of choosing sides in the war and fighting for the Americans and the...

Courageous children and women of the American Revolution

By John Micklos

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"Discusses the lives and roles of children and women during the American Revolution, including life and work on the home front, women nurses and soldiers, and children spying and fighting in the wa...

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.