Danny Ertel Books

The Point of the Deal

By Danny Ertel, Mark Gordon

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The Point of the Deal

By Danny Ertel, Mark Gordon

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Arbeitsbuch Verhandeln

By Roger Fisher Undifferentiated

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Obtenga el si en la practica

By Danny Ertel, Roger Fisher

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Si... de Acuerdo en la Practica

By Roger Drummer Fisher, Danny Ertel

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This companion volume to the negotiation classic Getting to Yes explores the negotiation process in depth and presents case studies, charts, and worksheets for blueprinting and personalized negotia...

Getting Ready to Negotiate

By Roger Drummer Fisher

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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.