Harvey Rosenfeld Books

Ironman II

By Harvey Rosenfeld

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Ironman

By Harvey Rosenfeld

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Diary of a Dirty Little War: The Spanish-American War of 1898

By Harvey Rosenfeld

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Iron Man

By Harvey Rosenfeld

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Since May 30, 1982, Cal Ripken, Jr., of the Baltimore Orioles hasn't missed a game - a marathon performance during which he has won the 1982 Rookie of the Year Award, two American League MVP awards...

The Great Chase

By Harvey Rosenfeld

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Still a Legend

By Harvey Rosenfeld

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Raoul Wallenberg

By Harvey Rosenfeld

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Still a Legend

By Harvey Rosenfeld

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Roger Maris

By Ian Esmo, Harvey Rosenfeld

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Raoul Wallenberg

By Harvey Rosenfeld

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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.