Betsy Harvey Kraft Books

Coal

By Betsy Harvey Kraft

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Explains the formation, mining, and uses of coal.

Oil and natural gas

By Betsy Harvey Kraft

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Discusses how deposits of oil and natural gas are formed, discovered, obtained, refined, and used, and in what way these resources can be conserved.

Sensational Trials Of The 20th Century

By Betsy Harve Kraft

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Sensational trials of the 20th century

By Betsy Harvey Kraft

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Presents accounts of eight significant trials in the twentieth century, including the Scopes trial, Watergate, Brown v. the Board of Education, and the Hinckley trial.

Sensational Trails of the 20th Century

By Betsy Harvey Kraft

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Sensational Trials of the 20th Century

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Theodore Roosevelt: Champion of the American Spirit

By Betsy Harvey Kraft

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A biography of the energetic New Yorker who became the twenty-sixth president of the United States and who once exclaimed "No one has ever enjoyed life more than I have."

Mother Jones

By Betsy Harvey Kraft

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The Fantastic Ferris Wheel

By Betsy Harvey Kraft, Steven Salerno

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Theodore Roosevelt

By Betsy Harvey Kraft, Henry F. Pringle

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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.