Howard C. Johnson Books

Math Advantage Teacher's Edition Volume One

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Math Practice Book

By Grace M. Burton, Angela Giglio Andrews, Howard C. Johnson, Evan A. Maletsky, Lynda A. Luckie

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Harcourt Math Practice Workbook

By Grace M. Burton, Angela Giglio Andrews, Howard C. Johnson, Lynda A. Luckie, Evan M. Maletsky

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Scrappy

By Howard C Johnson, Ian A. O Connor

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"From World War II to Vietnam, this memoir tells the story of fighter pilot, Howard C. "Scrappy" Johnson. Beginning in Knoxville, Tennessee, it follows Johnson through his student career at the Uni...

High Speed Photography Videography and Phototonics V 17 19 August 1987

By Howard C. Johnson

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Text BK2 Mathematics Plus

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Q A Commercial Law 2009 2010

By Howard Johnson, Jothi Reddy

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Scrappy

By Ian A. O Connor, Howard C. Scrappy 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.