This book is intended for the beginner to advanced Jazz/Rock Piano player and is divided into four chapters. Chapter 1 includes Major & Minor Pentatonic scale exercises. Chapter 2 includes Major & Minor Blues scale exercises. Chapter 3 includes Major & Minor 7th & 9th exercises. Chapter 4 includes Jazz/Rock improvisation exercises.It is very important for the improvising Jazz/Rock pianist to have a deep knowledge of Pentatonic and Blues scales in twelve keys in order to overcome the "fear" of soloing - improvisation. When you have completed this book, you will be able to improvise effortlessly in twelve keys and you will be ready for more pursuits in the magic world of Jazz/Rock solos and improvisation.