Don Rittner Books

IMac, iBook, and G3 Troubleshooting Pocket Reference

By Don Rittner

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Albany

By Don Rittner, Rittner, Don

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Surrounded by natural beauty and a rich human legacy second to none, Albany lies in the Hudson Valley about 150 miles north of New York City. First settled in 1648, the area quickly grew into one o...

Troy

By Don Rittner

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Schenectady NY Then and Now

By Don Rittner

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Troy NY Then and Now

By Don Rittner

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Albany Revisited

By Don Rittner, Rittner, Don

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Albany is the fourth oldest city in America and the second oldest state capital in the United States. Located on the western banks of the Hudson River, about 150 miles north of New York City, Alban...

Troy

By Don Rittner

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Troy

By Don Rittner

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A to Z of Scientists in Weather and Climate Notable Scientists

By Don Rittner

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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.