Hal K. Rothman Books

The West is popularly perceived as America's last outpost of unfettered opportunity, but twentieth-century corporate tourism has transformed it into America's "land of opportunism." From Sun Valley...

Devil s Bargains

By Hal K. Rothman

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New urban park

By Rothman Hal, Hal K. Rothman, Hal Rothman

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"In this book, one of our premier environmental historians looks at the new phenomenon of urban parks, focusing on San Francisco's Golden Gate National Recreation Area as a prototype for the twenty...

On rims & ridges

By Rothman Hal

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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.