This book introduces the bass clef to beginners learning the piano. It is assumed that the beginner has learnt the treble (or G) clef and is now ready to progress to the bass clef. The work is a practical guide for children, young pianist and adults, who want to progress at a gradually and steady pace, ensuring a solid application of the study material matter. The book consists of four parts. The first focuses on the left hand, the second part on the right hand, the third on both hands and the fourth on chords.