Robert Thompson Books

The 42nd Division, or "Rainbow Division" as it was known popularly, was composed entirely of unproven National Guard units hailing from twenty-six different states and the District of Columbia. For...

101 Careers in Mathematics

By Robert Thompson, Deanna Haunsperger

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Nine Desperate Days

By Robert Thompson

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American forces entered World War I combat in October 1917, but it was not until July 1918 that they went on the offensive for the first time. Among the units selected for this operation was the 42...

The Viola da Gamba Society Index of Manuscripts Containing Consort Music: Volume II

By Robert Thompson

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The Viola da Gamba Society Index of Manuscripts Containing Consort Music: Volume II

By Robert Thompson

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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.