Devaney John. Books

The World Series

By Devaney John.

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The Vietnam War

By Devaney John.

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Unveils the horror and the politics of this controversial war, from the French withdrawal after the Battle of Dien Bien Phu to the fall of Saigon in 1975.

Winners of the Heisman trophy

By Devaney John.

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Describes the history of the Heisman trophy, the most important trophy awarded to an amateur football player, and includes brief biographies of the winners.

Lyndon Baines Johnson, president

By Devaney John., John Devaney

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Lyndon Baines Johnson, president

By John Devaney, Devaney John.

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Franklin Delano Roosevelt, president

By Devaney John.

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A biography of the thirty-second President who, in four consecutive terms of office, led the country through the Depression and World War II.

Franklin Delano Roosevelt, president

By Devaney John.

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A biography of the thirty-second President who, in four consecutive terms of office, led the country through the Depression and World War II.

Bo Jackson

By Devaney John.

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A biography of the first major leaguer to play in both pro baseball and football.

Bo Jackson

By Devaney John.

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A biography of the first major leaguer to play in both pro baseball and football.

Winners of the Heisman trophy

By Devaney John.

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Describes the history of the Heisman trophy, the most important trophy awarded to an amateur football player, and includes brief biographies of the winners.

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.