Lev Raphael Books

Successful professor Nick Hoffman finds his secure, happy, college-town life changed forever after a nightmarish encounter with police. A novel of suspense set in the academic world, Assault with a...

Dancing on Tisha b'Av

By Lev Raphael

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Winter eyes

By Lev Raphael

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The death of a constant lover

By Lev Raphael

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"He'd been warned to avoid trouble: Nick Hoffman's outspoken attitude and reputation for being in the wrong place at the wrong time had placed his career in jeopardy. But what trouble could be caus...

The German money

By Lev Raphael

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State University of Murder

By Lev Raphael

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Let's get criminal

By Lev Raphael

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The Death of a Constant Lover

By Lev Raphael, Brad Shreve

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Coloquio Mortal The Edith Wharton Murders Portuguese language

By Lev Raphael

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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.