Lenny Cavallaro Books

Persona Non Grata

By Lenny Cavallaro, Viktor Kortchnoi

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Trojan Dialogues

By Lenny Cavallaro

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The Greatest Champion Who Never Was

By Lenny Cavallaro

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Solved

By Lenny Cavallaro

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The controversy surrounding the fate of the General Arnold, a brigantine that went aground off Plymouth, Massachusetts in 1778, is discussed. The story of the shipwreck is told, an effort to determ...

Two Oedipal Plays

By Lenny Cavallaro

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Naked and Transparent

By Lenny Cavallaro, Charles W. Davis, Vladimire Calixte

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Paradise Regained and Lost Again

By Lenny Cavallaro

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Sherlock Holmes and the Mysteries of the Chess World

By Andy Soltis, Lenny Cavallaro

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Sherlock Holmes and the Mysteries of the Chess World

By Lenny Cavallaro

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Paganini Agitato

By Ann Abelson, Lenny Cavallaro

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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.