Nancy Whitelaw Books

Describes the life of the twenty-sixth president of the United States, from his sickly youth through his varied career as rancher, author, and politician.

A biography of General Charles de Gaulle

By Nancy Whitelaw

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A biography of the French war hero and leader.

Joseph Stalin

By Nancy Whitelaw

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Examines the life and times of Joseph Stalin, the dictatorial leader of the Soviet Union from 1925 to 1953.

Margaret Sanger

By Nancy Whitelaw

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A biography of Margaret Sanger, the indomitable fighter for birth control and a feminist who asked women to take responsibility for their freedom.

Rebels and Revolutionaries

By Nancy Whitelaw

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Supreme Court justices

By Nancy Whitelaw

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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.