Robert I. Alotta Books

Old names and new places

By Robert I. Alotta

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Presents stories behind many place names in the United States and makes suggestions for going about such research.

Number 2

By Robert I. Alotta

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Shows the inner workings of the office that is a heartbeat away from the Presidency and focuses on the men, mostly forgotten, who have held the position.

Street names of Philadelphia

By Robert I. Alotta

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Stop the Evil

By Robert I. Alotta

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Signposts and settlers

By Robert I. Alotta

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Mermaids, monasteries, Cherokees, and Custer

By Robert I. Alotta

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Civil War justice

By Robert I. Alotta

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Another Part of the Field Philadelphia s American Revolution 1777 78

By Robert I. Alotta

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Signposts and Settlers

By Robert I. Alotta

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Last Voyage of the Henry Bacon

By Donald R. Foxvog, Robert I. Alotta

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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.