W. Timothy Gallwey Books

Inner Game of Tennis

By W. Timothy Gallwey

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The Inner Game of Tennis

By W. Timothy Gallwey

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Inner Game of Work

By W. Timothy Gallwey

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The Inner Game of Work

By W. Timothy Gallwey

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A groundbreaking guide to overcoming the inner obstacles that sabotage your efforts to be your best on the job—part of the bestselling Inner Game series, with more than one million copies sol...

The Inner Game of Golf

By W. Timothy Gallwey

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The classic guide to sharpening your mind and raising your performance as a golfer and in the game of life—part of the bestselling Inner Game series, with more than one million copies sold!&l...

Der Mozart in uns. The Inner Game of Music oder eine Anleitung zum Musizieren.

By Barry Green, W. Timothy Gallwey

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Erfolg durch Selbstcoaching. Mit der Inner Game Methode zu mehr Balance im Beruf.

By W. Timothy Gallwey

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The inner game of golf

By W. Timothy Gallwey

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Inner Game of Tennis

By W. Timothy Gallwey

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The Inner Game of Tennis

By W. Timothy Gallwey

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The timeless guide to achieving the state of “relaxed concentration” that’s not only the key to peak performance in tennis but the secret to success in life itself—part of t...

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.