It's not how good you are, it's how good you want to be

Its not how good you are, its how good you want to be : the world's best-selling book

The 10 minute life coach: mewujudkan citra baru diri anda: strategi cepat dan efektif: The 10-minute life coach: fast working strategies for a brand new you

Practical genius: the real smarts you need to get your talents and passions working for you

The power of when : maksimalkan potensi tubuhmu pada waktu yang palin efektif