Devaney John. Books

The Bobby Orr story.

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A biography of the Boston Bruins' star defensive player considered by many to be one of the best all-round hockey players of all time.

The story of basketball

By Devaney John.

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Traces the history of basketball including biographical sketches of fourteen players and coaches.

The Bobby Orr story.

By Devaney John.

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A biography of the Boston Bruins' star defensive player considered by many to be one of the best all-round hockey players of all time.

The story of basketball

By Devaney John.

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Traces the history of basketball including biographical sketches of fourteen players and coaches.

Hitler, mad dictator of World War II

By Devaney John.

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Traces the life of Adolf Hitler from his youth to his self-destruction in a Berlin bunker.

Douglas MacArthur, something of a hero

By Devaney John.

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A biography of the controversial general with emphasis on his service during the two World Wars and the Korean War.

Tiny!

By John Devaney, Devaney John.

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A biography of Nate Archibald who rose from the slums of New York City's South Bronx to become one of the great stars of basketball.

Right from the horse's mouth!

By Devaney John.

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The Stanley Cup

By Devaney John.

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The World Series

By Devaney John., John Devaney

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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.