Frank Hoffmann Books

"The Rise of the Crooners examines the historical trends and events that led to the emergence of the crooning style. In the introduction Ian Whitcomb, a successful popular music vocalist for almost...

The Cash box charts for the post-modern age 1978-1988

By Frank W. Hoffmann

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Cash box pop singles charts, 1950-1993

By Pat Downey

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Soft Computing and Industry

By Rajkumar Roy

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Soft computing embraces various methodologies for the development of intelligent systems that have been successfully applied to a large number of real-world problems. Soft Computing in Industry con...

Advances in Soft Computing

By Frank Hoffmann, Jose M. Benitez, Oscar Cordon

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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.