Fred Rochlin Books

Old Man in a Baseball Cap

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"In 1942 Fred Rochlin joined the Army Air Corps. After eight months of training, he was stationed in Italy, serving as the navigator on a B-24 bomber and flying missions over Germany. Fifty such mi...

Old Man in a Baseball Cap: A Memoir of World War II

By Fred Rochlin

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Pioneer Jews

By Harriet Rochlin

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Pioneer Jews

By Harriet Rochlin, Fred Rochlin

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Old man in a baseball cap

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Old Man in a Baseball Cap Advance Reader's Edition

By Fred Rochlin

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Old Man in a Baseball Cap

By Fred Rochlin

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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.