Robert K. Massie Books

Nicholas and Alexandra

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A “magnificent and intimate” (Harper’s) modern classic of Russian history, the spellbinding story of the love that ended an empire—from the Pulitzer Prize–winning auth...

The Romanovs

By Robert K. Massie

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Catherine the Great: Portrait of a Woman

By Robert K. Massie

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“[A] tale of power, perseverance and passion . . . a great story in the hands of a master storyteller.”—The Wall Street Journal The Pulitzer Prize–winning author of Peter t...

Castles of Steel

By Robert K. Massie

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In a work of extraordinary narrative power, filled with brilliant personalities and vivid scenes of dramatic action, Robert K. Massie, the Pulitzer Prize–winning author of Peter the Great,...

Catherine the Great

By Robert K. Massie

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This narrative biography tells the extraordinary story of an obscure young German princess who traveled to Russia at fourteen and rose to become one of the most remarkable, powerful, and captivatin...

Peter the Great: His Life and His World

By Robert K. Massie

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Peter the Great: His Life and World

By Robert K. Massie

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Castles of Steel

By Robert K. Massie

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In a work of extraordinary narrative power, filled with brilliant personalities and vivid scenes of dramatic action, Robert K. Massie, the Pulitzer Prize–winning author of Peter the Great, Ni...

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.