Phillip Campbell Books

Christopher Columbus

By Phillip Campbell, Murray John

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Catholic Educator s Guide to Teaching History

By Phillip Campbell

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The Story of Civilization

By Phillip Campbell

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The Story of Civilization

By Phillip Campbell

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"Children should not just read about history, they should live it. In The Story of Civilization, the ancient stories that have shaped humanity come alive like never before. Volume II, The Medieval...

The Story of the Church Workbook

By Phillip Campbell

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In this companion to the text, students can review what they learned in each chapter and test themselves with both fun and challenging activities, including: Word Searches Fill in the Blank Crosswo...

Heroes & Heretics

By Phillip Campbell

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It was a tumultuous time, filled with heroes, heretics, and some who were a little bit of both. It was a time of destruction and rebuilding. Some sincerely sought reform while others sought merely...

Story of Civilization

By Phillip Campbell

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- Reading comprehension questions - Narration Exercises - Map Activities - Coloring Pages - Crossword Puzzles and Word Searches - Craft Projects unique to each chapter - Fun Snack Ideas and Recipes...

Tale of Manaeth

By Phillip Campbell, William Price, Josie Lapczynski

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Autobiography of Guibert of Nogent

By Phillip Campbell, Guibert Of Nogent

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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.