Roberts William H. Books

The writer's companion

By Roberts William H.

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About language

By Roberts William H.

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About language

By Roberts William H.

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About language : a reader for writers

By Roberts William H.

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Civil War ironclads

By Roberts William H.

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"Civil War Ironclads offers the first comprehensive study of one of the most ambitious programs in the history of naval shipbuilding. In constructing its new fleet of ironclads, William H. Roberts...

Now for the contest

By Roberts William H.

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Now for the contest

By Roberts William H.

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USS New Ironsides in the Civil War

By Roberts William H.

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This is the first modern scholarly look at the little-known yet remarkable USS New Ironsides - America's first seagoing ironclad and the only one to see combat in the American Civil War. It describ...

Civil War Ironclads

By Roberts William H.

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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.