Lee Jaffe Books

One Love

By Lee Jaffe, Roger Steffens

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The Technique and Practice of Psychoanalysis The Training Seminars of Ralph R. Greenson M.D.

By Lee Jaffe, Ralph R. Greenson

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Sigmund Freud repeatedly revised his understanding of how our minds work, how to understand mental illness, and how to relieve emotional, psychological suffering. With each revision, however, he di...

Cordially yours, Lee Jaffe

By Rainer Crone

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How Talking Cures

By Lee Jaffe

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Jean Michel Basquiat

By J. Faith Almiron, Lee Jaffe

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Hit Me with Music

By Lee Jaffe, Chris Blackwell, Rita Marley

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How Talking Cures

By Lee Jaffe

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How talking cures

By Lee Jaffe

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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.

Lee Jaffe Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?