Jon Warner Books

Generational Style Assessment
Leadership Effectiveness Workshop
Leadership Effectiveness Workshop
Coaching Effectiveness Workshop
Coaching Effectiveness Workshop
Competent Supervisor Questionnaire
Business Optimization
Business Optimization

By Jon Warner

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This book proposes a simple but powerful model describing four major levers (prospects, processes, people and profits) present in any enterprise, and what it means for these to be "optimal", with r...

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Slam
Slam

By Predict Success

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Generational Styles Assessment Facilitator s Guide
Team Building
Team Building

By Jon Warner

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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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