Robert K. Massie Books

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, Nicholas...

Peter the Great: His Life and World

By Robert K. Massie

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PULITZER PRIZE WINNER • An “urgently readable” (Newsweek) biography of the captivating tsar who changed Russian history—from the New York Times bestselling author of Nicholas...

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.