Tim Wohlforth Books

The Prophet's Children: Travels on the American Left

By Tim Wohlforth

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The Prophet's Children: Travels on the American Left

By Tim Wohlforth

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On the Edge

By Dennis Tourish, Tim Wohlforth

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No Time to Mourn

By Tim Wohlforth

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A recent widow hires private detective Jim Wolf to help find her husband's killer. When the widow is killed by a hit man, Wolf must discover who hired him before he becomes the next victim.

No Time to Mourn

By Tim Wohlforth

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The Pink Tarantula

By Tim Wohlforth

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Epitaph for Emily

By Tim Wohlforth

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On the Edge Political Cults Right and Left

By Dennis Tourish, Tim Wohlforth

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On the Edge Political Cults Right and Left

By Dennis Tourish, Tim Wohlforth

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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.