Joshua Horwitz Books

War of the Whales

By Joshua Horwitz

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A Quantum Life

By Hakeem Oluseyi, Joshua Horwitz

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A Quantum Life

By Hakeem Oluseyi With Joshua Horwitz

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In this inspiring coming-of-age memoir, a world-renowned astrophysicist emerges from an impoverished childhood and crime-filled adolescence to ascend through the top ranks of research physics.&#160...

Deep End

By Joshua Horwitz

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Quantum Life

By Hakeem Oluseyi, Joshua Horwitz

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Quantum Life

By Hakeem Oluseyi, Joshua Horwitz

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Wrestling With Angels

By Naomi H. Rosenblatt, Joshua Horwitz

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Wrestling with AngelsFor over twenty years, psychotherapist, lecturer, and Bible teacher Naomi H. Rosenblatt has been leading some of the nation's best and brightest minds through the Bible, from W...

Guns Democracy and the Insurrectionist Idea

By Joshua Horowitz

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When gun enthusiasts talk about constitutional liberties guaranteed by the Second Amendment, they are referring to freedom in a general sense, but they also have something more specific in mind---f...

War of the Whales

By Joshua Horwitz

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War of the Whales

By Joshua Horwitz

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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.