Jeffrey Kottler Books

Understanding Research: Becoming a Competent and Critical Consumer
What You Don't Know about Leadership, but Probably Should: Applications to Daily Life
What You Don't Know about Leadership, but Probably Should: Applications to Daily Life

By Jeffrey A. Kottler

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"We live in a world of groups. Almost every facet of daily existence, whether sitting in meetings, collaborating with coworkers, attending classes or programs, contributing to community or social e...

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Stories We've Heard, Stories We've Told: Life-Changing Narratives in Therapy and Everyday Life
Their Finest Hour: Master Therapists Share Their Greatest Success Stories
Bad Therapy
One Life at a Time
One Life at a Time

By Jeffrey Kottler

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American Shaman
American Shaman

By Jeffrey Kottler

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The Last Victim: A True-Life Journey into the Mind of the Serial Killer
Stress Management and Prevention
Stress Management and Prevention

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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.

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