Michael Kelleher Books

"In graphic novel format, follows the adventures of Dr. Isabel Soto as she explores the history and techniques of karate, tae kwon do, jujitsu, and kung fu"--Provided by publisher.

Secrets of Martial Arts

By Michael Kelleher, Al Milgrom, Christopher L. Harbo, Tod Smith

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The Mesa Verde Cliff Dwellers Graphic Library Graphic Expeditions Quality Paper

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Solid Truth about States of Matter with Max Axiom Super Scientist

By Cynthia Martin, Michael Kelleher, Agnieszka Biskup, Barbara Schulz

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Mesa Verde Cliff Dwellers

By Michael Kelleher, Terry Collins, Tod Smith, Barbara Schulz

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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.