Lynne Olson Books

Empress of the Nile

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New York Times Book Review Editors’ Choice • The remarkable story of the intrepid French archaeologist who led the international effort to save ancient Egyptian temples from the floodwaters of the...

Those Angry Days

By Lynne Olson

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NEW YORK TIMES BESTSELLER • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY THE NEW YORK TIMES BOOK REVIEW AND KIRKUS REVIEWSFrom the acclaimed author of Citizens of London comes the definitive acc...

Citizens of London

By Lynne Olson

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The acclaimed author of Troublesome Young Men reveals the behind-the-scenes story of how the United States forged its wartime alliance with Britain, told from the perspective of three key American...

Those Angry Days

By Lynne Olson

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NEW YORK TIMES BESTSELLER • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY THE NEW YORK TIMES BOOK REVIEW AND KIRKUS REVIEWSFrom the acclaimed author of Citizens of London comes the definitive acc...

Madame Fourcade's Secret War

By Lynne Olson

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NEW YORK TIMES BESTSELLER • The little-known true story of Marie-Madeleine Fourcade, the woman who headed the largest spy network in occupied France during World War II, from the bestselling a...

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.