Sean McCollum Books

John Quincy Adams

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A biography of the sixth president of the United States, providing information on his childhood, education, family, political career, time as president, and legacy.

James K. Polk

By Sean McCollum

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A biography of the eleventh president of the United States, with information on his childhood, family, political career, presidency, and legacy.

Bill Clinton

By Sean McCollum

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Using primary documents

By Sean McCollum

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Pu Davy Crockett

By TBA, Sean McCollum

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Pu the Water Caller Power Up Extension

By TBA, Sean McCollum

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Volcanic Eruptions Earthquakes And Tsunamis Scientific American

By Sean McCollum

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Australia Country Explorers

By Sean McCollum

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The fascinating fantastic unusual history of robots

By Sean McCollum

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"Traces the history of robots, from the early designs of the mid-1900s to today's modern designs"--

Vikings

By Sean McCollum

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"Describes Viking warriors, including their training, fighting methods, and weapons, as well as their decline and their place in popular culture"--Provided by publisher.

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.