Lisa Heffernan Books

Goldman Sachs: The Culture of Success

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"Optical Illusions is the story of a financially sound company steeped in world-class talent, dominant in one of the fastest-growing industries, that in the space of two years found itself downgrad...

Goldman Sachs

By Lisa Endlich

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Grown and Flown

By Lisa Heffernan, Mary Dell Harrington

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Grown and Flown

By Amanda Dolan, Dan Bittner, Lisa Heffernan, Mary Dell Harrington, Brittany Pressley

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Gorudoman Sakkusu

By Lisa Endlich

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Who gives

By Lisa Endlich

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Be the Change

By Lisa Endlich

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Be the Change

By Lisa Endlich

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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.